{"id":4904,"date":"2025-12-22T10:45:44","date_gmt":"2025-12-22T10:45:44","guid":{"rendered":"https:\/\/murreeroad.org\/?p=4904"},"modified":"2025-12-22T11:42:06","modified_gmt":"2025-12-22T11:42:06","slug":"genetics-mcqs-with-answers-100-multiple-choice-questions","status":"publish","type":"post","link":"https:\/\/learn-nest.murreeroad.org\/blog\/genetics-mcqs-with-answers-100-multiple-choice-questions\/","title":{"rendered":"Genetics MCQs with Answers \u2013 100 Multiple Choice Questions"},"content":{"rendered":"<p>Genetics MCQs: Practice Genetics with 100 <a href=\"https:\/\/murreeroad.org\/category\/mcqs\/\">MCQs<\/a> and answers covering Mendelian inheritance, DNA, RNA, chromosomes, mutations, and genetic disorders\u2014ideal for students and competitive exams.<\/p>\n<p>Genetics is a vital branch of biology that explains how traits are passed from parents to offspring through genes and chromosomes. A clear understanding of genetic concepts such as Mendelian inheritance, DNA and RNA structure, mutations, and genetic disorders is essential for students and competitive exam aspirants. This article offers <strong data-start=\"432\" data-end=\"482\">100 well-structured Genetics MCQs with answers<\/strong>, designed to strengthen fundamental concepts, support quick revision, and improve exam performance. These <strong data-start=\"589\" data-end=\"627\">genetics <a href=\"https:\/\/murreeroad.org\/category\/mcqs\/\">multiple choice questions<\/a><\/strong> are ideal for school exams, entrance tests, and general biology preparation.<\/p>\n<p data-start=\"0\" data-end=\"164\">Here are <strong data-start=\"9\" data-end=\"33\">100 MCQs on Genetics<\/strong> with <strong data-start=\"39\" data-end=\"75\">four options and correct answers<\/strong>, written clearly in <strong data-start=\"96\" data-end=\"107\">English<\/strong> and suitable for exams, students, and general knowledge.<\/p>\n<hr data-start=\"166\" data-end=\"169\" \/>\n<h3 data-start=\"199\" data-end=\"231\">1. Genetics is the study of:<\/h3>\n<p data-start=\"232\" data-end=\"312\">A. Cells<br data-start=\"240\" data-end=\"243\" \/>B. Tissues<br data-start=\"253\" data-end=\"256\" \/>C. Heredity and variation<br data-start=\"281\" data-end=\"284\" \/>D. Evolution<br data-start=\"296\" data-end=\"299\" \/><strong data-start=\"299\" data-end=\"310\">Answer:<\/strong> C<\/p>\n<h3 data-start=\"314\" data-end=\"360\">2. Who is known as the Father of Genetics?<\/h3>\n<p data-start=\"361\" data-end=\"443\">A. Charles Darwin<br data-start=\"378\" data-end=\"381\" \/>B. Gregor Mendel<br data-start=\"397\" data-end=\"400\" \/>C. Robert Hooke<br data-start=\"415\" data-end=\"418\" \/>D. Watson<br data-start=\"427\" data-end=\"430\" \/><strong data-start=\"430\" data-end=\"441\">Answer:<\/strong> B<\/p>\n<h3 data-start=\"445\" data-end=\"488\">3. Mendel conducted his experiments on:<\/h3>\n<p data-start=\"489\" data-end=\"549\">A. Maize<br data-start=\"497\" data-end=\"500\" \/>B. Pea plant<br data-start=\"512\" data-end=\"515\" \/>C. Wheat<br data-start=\"523\" data-end=\"526\" \/>D. Rice<br data-start=\"533\" data-end=\"536\" \/><strong data-start=\"536\" data-end=\"547\">Answer:<\/strong> B<\/p>\n<h3 data-start=\"551\" data-end=\"588\">4. The basic unit of heredity is:<\/h3>\n<p data-start=\"589\" data-end=\"647\">A. Cell<br data-start=\"596\" data-end=\"599\" \/>B. Chromosome<br data-start=\"612\" data-end=\"615\" \/>C. Gene<br data-start=\"622\" data-end=\"625\" \/>D. DNA<br data-start=\"631\" data-end=\"634\" \/><strong data-start=\"634\" data-end=\"645\">Answer:<\/strong> C<\/p>\n<h3 data-start=\"649\" data-end=\"677\">5. Genes are located on:<\/h3>\n<p data-start=\"678\" data-end=\"756\">A. Ribosomes<br data-start=\"690\" data-end=\"693\" \/>B. Chromosomes<br data-start=\"707\" data-end=\"710\" \/>C. Mitochondria<br data-start=\"725\" data-end=\"728\" \/>D. Cytoplasm<br data-start=\"740\" data-end=\"743\" \/><strong data-start=\"743\" data-end=\"754\">Answer:<\/strong> B<\/p>\n<hr data-start=\"758\" data-end=\"761\" \/>\n<h3 data-start=\"763\" data-end=\"818\">6. Which term refers to observable characteristics?<\/h3>\n<p data-start=\"819\" data-end=\"889\">A. Genotype<br data-start=\"830\" data-end=\"833\" \/>B. Phenotype<br data-start=\"845\" data-end=\"848\" \/>C. Allele<br data-start=\"857\" data-end=\"860\" \/>D. Chromosome<br data-start=\"873\" data-end=\"876\" \/><strong data-start=\"876\" data-end=\"887\">Answer:<\/strong> B<\/p>\n<h3 data-start=\"891\" data-end=\"937\">7. Alternative forms of a gene are called:<\/h3>\n<p data-start=\"938\" data-end=\"1002\">A. Traits<br data-start=\"947\" data-end=\"950\" \/>B. Chromatids<br data-start=\"963\" data-end=\"966\" \/>C. Alleles<br data-start=\"976\" data-end=\"979\" \/>D. Loci<br data-start=\"986\" data-end=\"989\" \/><strong data-start=\"989\" data-end=\"1000\">Answer:<\/strong> C<\/p>\n<h3 data-start=\"1004\" data-end=\"1041\">8. A dominant allele is one that:<\/h3>\n<p data-start=\"1042\" data-end=\"1174\">A. Always disappears<br data-start=\"1062\" data-end=\"1065\" \/>B. Expresses itself in heterozygous condition<br data-start=\"1110\" data-end=\"1113\" \/>C. Is always recessive<br data-start=\"1135\" data-end=\"1138\" \/>D. Is non-functional<br data-start=\"1158\" data-end=\"1161\" \/><strong data-start=\"1161\" data-end=\"1172\">Answer:<\/strong> B<\/p>\n<h3 data-start=\"1176\" data-end=\"1224\">9. A recessive allele expresses itself when:<\/h3>\n<p data-start=\"1225\" data-end=\"1353\">A. Dominant allele is present<br data-start=\"1254\" data-end=\"1257\" \/>B. In heterozygous condition<br data-start=\"1285\" data-end=\"1288\" \/>C. In homozygous condition<br data-start=\"1314\" data-end=\"1317\" \/>D. In all conditions<br data-start=\"1337\" data-end=\"1340\" \/><strong data-start=\"1340\" data-end=\"1351\">Answer:<\/strong> C<\/p>\n<h3 data-start=\"1355\" data-end=\"1407\">10. The genetic makeup of an organism is called:<\/h3>\n<p data-start=\"1408\" data-end=\"1473\">A. Phenotype<br data-start=\"1420\" data-end=\"1423\" \/>B. Genotype<br data-start=\"1434\" data-end=\"1437\" \/>C. Trait<br data-start=\"1445\" data-end=\"1448\" \/>D. Allele<br data-start=\"1457\" data-end=\"1460\" \/><strong data-start=\"1460\" data-end=\"1471\">Answer:<\/strong> B<\/p>\n<hr data-start=\"1475\" data-end=\"1478\" \/>\n<h3 data-start=\"1480\" data-end=\"1551\">11. Which law states that alleles separate during gamete formation?<\/h3>\n<p data-start=\"1552\" data-end=\"1667\">A. Law of Dominance<br data-start=\"1571\" data-end=\"1574\" \/>B. Law of Independent Assortment<br data-start=\"1606\" data-end=\"1609\" \/>C. Law of Segregation<br data-start=\"1630\" data-end=\"1633\" \/>D. Law of Mutation<br data-start=\"1651\" data-end=\"1654\" \/><strong data-start=\"1654\" data-end=\"1665\">Answer:<\/strong> C<\/p>\n<h3 data-start=\"1669\" data-end=\"1726\">12. Which law explains the inheritance of two traits?<\/h3>\n<p data-start=\"1727\" data-end=\"1843\">A. Law of Segregation<br data-start=\"1748\" data-end=\"1751\" \/>B. Law of Dominance<br data-start=\"1770\" data-end=\"1773\" \/>C. Law of Independent Assortment<br data-start=\"1805\" data-end=\"1808\" \/>D. Law of Variation<br data-start=\"1827\" data-end=\"1830\" \/><strong data-start=\"1830\" data-end=\"1841\">Answer:<\/strong> C<\/p>\n<h3 data-start=\"1845\" data-end=\"1870\">13. Homozygous means:<\/h3>\n<p data-start=\"1871\" data-end=\"1981\">A. Two different alleles<br data-start=\"1895\" data-end=\"1898\" \/>B. No alleles<br data-start=\"1911\" data-end=\"1914\" \/>C. Two identical alleles<br data-start=\"1938\" data-end=\"1941\" \/>D. Only dominant alleles<br data-start=\"1965\" data-end=\"1968\" \/><strong data-start=\"1968\" data-end=\"1979\">Answer:<\/strong> C<\/p>\n<h3 data-start=\"1983\" data-end=\"2010\">14. Heterozygous means:<\/h3>\n<p data-start=\"2011\" data-end=\"2109\">A. Same alleles<br data-start=\"2026\" data-end=\"2029\" \/>B. Different alleles<br data-start=\"2049\" data-end=\"2052\" \/>C. No alleles<br data-start=\"2065\" data-end=\"2068\" \/>D. Only recessive alleles<br data-start=\"2093\" data-end=\"2096\" \/><strong data-start=\"2096\" data-end=\"2107\">Answer:<\/strong> B<\/p>\n<h3 data-start=\"2111\" data-end=\"2147\">15. A Punnett square is used to:<\/h3>\n<p data-start=\"2148\" data-end=\"2252\">A. Study cells<br data-start=\"2162\" data-end=\"2165\" \/>B. Predict inheritance<br data-start=\"2187\" data-end=\"2190\" \/>C. Observe chromosomes<br data-start=\"2212\" data-end=\"2215\" \/>D. Identify mutations<br data-start=\"2236\" data-end=\"2239\" \/><strong data-start=\"2239\" data-end=\"2250\">Answer:<\/strong> B<\/p>\n<hr data-start=\"2254\" data-end=\"2257\" \/>\n<h3 data-start=\"2259\" data-end=\"2310\">16. Which molecule carries genetic information?<\/h3>\n<p data-start=\"2311\" data-end=\"2366\">A. RNA<br data-start=\"2317\" data-end=\"2320\" \/>B. Protein<br data-start=\"2330\" data-end=\"2333\" \/>C. Lipid<br data-start=\"2341\" data-end=\"2344\" \/>D. DNA<br data-start=\"2350\" data-end=\"2353\" \/><strong data-start=\"2353\" data-end=\"2364\">Answer:<\/strong> D<\/p>\n<h3 data-start=\"2368\" data-end=\"2391\">17. DNA stands for:<\/h3>\n<p data-start=\"2392\" data-end=\"2507\">A. Deoxyribo Nucleic Acid<br data-start=\"2417\" data-end=\"2420\" \/>B. Deoxyribonucleic Acid<br data-start=\"2444\" data-end=\"2447\" \/>C. Deoxyribose Acid<br data-start=\"2466\" data-end=\"2469\" \/>D. Double Nucleic Acid<br data-start=\"2491\" data-end=\"2494\" \/><strong data-start=\"2494\" data-end=\"2505\">Answer:<\/strong> B<\/p>\n<h3 data-start=\"2509\" data-end=\"2549\">18. RNA differs from DNA because it:<\/h3>\n<p data-start=\"2550\" data-end=\"2661\">A. Has thymine<br data-start=\"2564\" data-end=\"2567\" \/>B. Is double-stranded<br data-start=\"2588\" data-end=\"2591\" \/>C. Contains ribose sugar<br data-start=\"2615\" data-end=\"2618\" \/>D. Is found only in nucleus<br data-start=\"2645\" data-end=\"2648\" \/><strong data-start=\"2648\" data-end=\"2659\">Answer:<\/strong> C<\/p>\n<h3 data-start=\"2663\" data-end=\"2728\">19. Which nitrogen base is present in RNA instead of thymine?<\/h3>\n<p data-start=\"2729\" data-end=\"2794\">A. Cytosine<br data-start=\"2740\" data-end=\"2743\" \/>B. Adenine<br data-start=\"2753\" data-end=\"2756\" \/>C. Uracil<br data-start=\"2765\" data-end=\"2768\" \/>D. Guanine<br data-start=\"2778\" data-end=\"2781\" \/><strong data-start=\"2781\" data-end=\"2792\">Answer:<\/strong> C<\/p>\n<h3 data-start=\"2796\" data-end=\"2827\">20. DNA is found mainly in:<\/h3>\n<p data-start=\"2828\" data-end=\"2896\">A. Cytoplasm<br data-start=\"2840\" data-end=\"2843\" \/>B. Ribosome<br data-start=\"2854\" data-end=\"2857\" \/>C. Nucleus<br data-start=\"2867\" data-end=\"2870\" \/>D. Vacuole<br data-start=\"2880\" data-end=\"2883\" \/><strong data-start=\"2883\" data-end=\"2894\">Answer:<\/strong> C<\/p>\n<hr data-start=\"2898\" data-end=\"2901\" \/>\n<h3 data-start=\"2903\" data-end=\"2931\">21. The shape of DNA is:<\/h3>\n<p data-start=\"2932\" data-end=\"3007\">A. Single helix<br data-start=\"2947\" data-end=\"2950\" \/>B. Circular<br data-start=\"2961\" data-end=\"2964\" \/>C. Double helix<br data-start=\"2979\" data-end=\"2982\" \/>D. Linear<br data-start=\"2991\" data-end=\"2994\" \/><strong data-start=\"2994\" data-end=\"3005\">Answer:<\/strong> C<\/p>\n<h3 data-start=\"3009\" data-end=\"3066\">22. Who discovered the double helix structure of DNA?<\/h3>\n<p data-start=\"3067\" data-end=\"3140\">A. Mendel<br data-start=\"3076\" data-end=\"3079\" \/>B. Watson and Crick<br data-start=\"3098\" data-end=\"3101\" \/>C. Darwin<br data-start=\"3110\" data-end=\"3113\" \/>D. Franklin<br data-start=\"3124\" data-end=\"3127\" \/><strong data-start=\"3127\" data-end=\"3138\">Answer:<\/strong> B<\/p>\n<h3 data-start=\"3142\" data-end=\"3177\">23. Chromosomes are made up of:<\/h3>\n<p data-start=\"3178\" data-end=\"3266\">A. DNA and proteins<br data-start=\"3197\" data-end=\"3200\" \/>B. RNA and proteins<br data-start=\"3219\" data-end=\"3222\" \/>C. Lipids<br data-start=\"3231\" data-end=\"3234\" \/>D. Carbohydrates<br data-start=\"3250\" data-end=\"3253\" \/><strong data-start=\"3253\" data-end=\"3264\">Answer:<\/strong> A<\/p>\n<h3 data-start=\"3268\" data-end=\"3309\">24. Humans have how many chromosomes?<\/h3>\n<p data-start=\"3310\" data-end=\"3355\">A. 44<br data-start=\"3315\" data-end=\"3318\" \/>B. 23<br data-start=\"3323\" data-end=\"3326\" \/>C. 46<br data-start=\"3331\" data-end=\"3334\" \/>D. 48<br data-start=\"3339\" data-end=\"3342\" \/><strong data-start=\"3342\" data-end=\"3353\">Answer:<\/strong> C<\/p>\n<h3 data-start=\"3357\" data-end=\"3395\">25. Sex chromosomes in humans are:<\/h3>\n<p data-start=\"3396\" data-end=\"3457\">A. XX only<br data-start=\"3406\" data-end=\"3409\" \/>B. XY only<br data-start=\"3419\" data-end=\"3422\" \/>C. XX or XY<br data-start=\"3433\" data-end=\"3436\" \/>D. YY<br data-start=\"3441\" data-end=\"3444\" \/><strong data-start=\"3444\" data-end=\"3455\">Answer:<\/strong> C<\/p>\n<hr data-start=\"3459\" data-end=\"3462\" \/>\n<h3 data-start=\"3464\" data-end=\"3486\">26. Autosomes are:<\/h3>\n<p data-start=\"3487\" data-end=\"3591\">A. Sex chromosomes<br data-start=\"3505\" data-end=\"3508\" \/>B. Body chromosomes<br data-start=\"3527\" data-end=\"3530\" \/>C. Mutated chromosomes<br data-start=\"3552\" data-end=\"3555\" \/>D. Extra chromosomes<br data-start=\"3575\" data-end=\"3578\" \/><strong data-start=\"3578\" data-end=\"3589\">Answer:<\/strong> B<\/p>\n<h3 data-start=\"3593\" data-end=\"3615\">27. A mutation is:<\/h3>\n<p data-start=\"3616\" data-end=\"3718\">A. Normal growth<br data-start=\"3632\" data-end=\"3635\" \/>B. Change in DNA sequence<br data-start=\"3660\" data-end=\"3663\" \/>C. Cell division<br data-start=\"3679\" data-end=\"3682\" \/>D. Protein synthesis<br data-start=\"3702\" data-end=\"3705\" \/><strong data-start=\"3705\" data-end=\"3716\">Answer:<\/strong> B<\/p>\n<h3 data-start=\"3720\" data-end=\"3769\">28. Which mutation causes sickle cell anemia?<\/h3>\n<p data-start=\"3770\" data-end=\"3870\">A. Chromosomal mutation<br data-start=\"3793\" data-end=\"3796\" \/>B. Gene mutation<br data-start=\"3812\" data-end=\"3815\" \/>C. Lethal mutation<br data-start=\"3833\" data-end=\"3836\" \/>D. Silent mutation<br data-start=\"3854\" data-end=\"3857\" \/><strong data-start=\"3857\" data-end=\"3868\">Answer:<\/strong> B<\/p>\n<h3 data-start=\"3872\" data-end=\"3907\">29. Down syndrome is caused by:<\/h3>\n<p data-start=\"3908\" data-end=\"3984\">A. Gene mutation<br data-start=\"3924\" data-end=\"3927\" \/>B. Trisomy 21<br data-start=\"3940\" data-end=\"3943\" \/>C. Monosomy<br data-start=\"3954\" data-end=\"3957\" \/>D. Deletion<br data-start=\"3968\" data-end=\"3971\" \/><strong data-start=\"3971\" data-end=\"3982\">Answer:<\/strong> B<\/p>\n<h3 data-start=\"3986\" data-end=\"4022\">30. Crossing over occurs during:<\/h3>\n<p data-start=\"4023\" data-end=\"4099\">A. Mitosis<br data-start=\"4033\" data-end=\"4036\" \/>B. Meiosis I<br data-start=\"4048\" data-end=\"4051\" \/>C. Meiosis II<br data-start=\"4064\" data-end=\"4067\" \/>D. Fertilization<br data-start=\"4083\" data-end=\"4086\" \/><strong data-start=\"4086\" data-end=\"4097\">Answer:<\/strong> B<\/p>\n<hr data-start=\"4101\" data-end=\"4104\" \/>\n<h3 data-start=\"4106\" data-end=\"4145\">31. Which process produces gametes?<\/h3>\n<p data-start=\"4146\" data-end=\"4218\">A. Mitosis<br data-start=\"4156\" data-end=\"4159\" \/>B. Meiosis<br data-start=\"4169\" data-end=\"4172\" \/>C. Binary fission<br data-start=\"4189\" data-end=\"4192\" \/>D. Budding<br data-start=\"4202\" data-end=\"4205\" \/><strong data-start=\"4205\" data-end=\"4216\">Answer:<\/strong> B<\/p>\n<h3 data-start=\"4220\" data-end=\"4247\">32. Mitosis results in:<\/h3>\n<p data-start=\"4248\" data-end=\"4330\">A. Four cells<br data-start=\"4261\" data-end=\"4264\" \/>B. Two identical cells<br data-start=\"4286\" data-end=\"4289\" \/>C. Gametes<br data-start=\"4299\" data-end=\"4302\" \/>D. Variation<br data-start=\"4314\" data-end=\"4317\" \/><strong data-start=\"4317\" data-end=\"4328\">Answer:<\/strong> B<\/p>\n<h3 data-start=\"4332\" data-end=\"4357\">33. Meiosis produces:<\/h3>\n<p data-start=\"4358\" data-end=\"4449\">A. Somatic cells<br data-start=\"4374\" data-end=\"4377\" \/>B. Diploid cells<br data-start=\"4393\" data-end=\"4396\" \/>C. Haploid cells<br data-start=\"4412\" data-end=\"4415\" \/>D. Identical cells<br data-start=\"4433\" data-end=\"4436\" \/><strong data-start=\"4436\" data-end=\"4447\">Answer:<\/strong> C<\/p>\n<h3 data-start=\"4451\" data-end=\"4487\">34. Haploid number in humans is:<\/h3>\n<p data-start=\"4488\" data-end=\"4533\">A. 46<br data-start=\"4493\" data-end=\"4496\" \/>B. 44<br data-start=\"4501\" data-end=\"4504\" \/>C. 23<br data-start=\"4509\" data-end=\"4512\" \/>D. 22<br data-start=\"4517\" data-end=\"4520\" \/><strong data-start=\"4520\" data-end=\"4531\">Answer:<\/strong> C<\/p>\n<h3 data-start=\"4535\" data-end=\"4581\">35. Which cell division creates variation?<\/h3>\n<p data-start=\"4582\" data-end=\"4660\">A. Mitosis<br data-start=\"4592\" data-end=\"4595\" \/>B. Binary fission<br data-start=\"4612\" data-end=\"4615\" \/>C. Meiosis<br data-start=\"4625\" data-end=\"4628\" \/>D. Fragmentation<br data-start=\"4644\" data-end=\"4647\" \/><strong data-start=\"4647\" data-end=\"4658\">Answer:<\/strong> C<\/p>\n<hr data-start=\"4662\" data-end=\"4665\" \/>\n<h3 data-start=\"4667\" data-end=\"4709\">36. Carrier of a recessive disease is:<\/h3>\n<p data-start=\"4710\" data-end=\"4804\">A. Homozygous dominant<br data-start=\"4732\" data-end=\"4735\" \/>B. Homozygous recessive<br data-start=\"4758\" data-end=\"4761\" \/>C. Heterozygous<br data-start=\"4776\" data-end=\"4779\" \/>D. Mutant<br data-start=\"4788\" data-end=\"4791\" \/><strong data-start=\"4791\" data-end=\"4802\">Answer:<\/strong> C<\/p>\n<h3 data-start=\"4806\" data-end=\"4847\">37. Color blindness is an example of:<\/h3>\n<p data-start=\"4848\" data-end=\"4942\">A. Autosomal trait<br data-start=\"4866\" data-end=\"4869\" \/>B. X-linked trait<br data-start=\"4886\" data-end=\"4889\" \/>C. Y-linked trait<br data-start=\"4906\" data-end=\"4909\" \/>D. Dominant trait<br data-start=\"4926\" data-end=\"4929\" \/><strong data-start=\"4929\" data-end=\"4940\">Answer:<\/strong> B<\/p>\n<h3 data-start=\"4944\" data-end=\"4979\">38. Hemophilia is inherited as:<\/h3>\n<p data-start=\"4980\" data-end=\"5080\">A. Autosomal dominant<br data-start=\"5001\" data-end=\"5004\" \/>B. Autosomal recessive<br data-start=\"5026\" data-end=\"5029\" \/>C. X-linked recessive<br data-start=\"5050\" data-end=\"5053\" \/>D. Y-linked<br data-start=\"5064\" data-end=\"5067\" \/><strong data-start=\"5067\" data-end=\"5078\">Answer:<\/strong> C<\/p>\n<h3 data-start=\"5082\" data-end=\"5147\">39. Which trait appears only when both alleles are recessive?<\/h3>\n<p data-start=\"5148\" data-end=\"5222\">A. Dominant<br data-start=\"5159\" data-end=\"5162\" \/>B. Codominant<br data-start=\"5175\" data-end=\"5178\" \/>C. Recessive<br data-start=\"5190\" data-end=\"5193\" \/>D. Incomplete<br data-start=\"5206\" data-end=\"5209\" \/><strong data-start=\"5209\" data-end=\"5220\">Answer:<\/strong> C<\/p>\n<h3 data-start=\"5224\" data-end=\"5273\">40. ABO blood group system was discovered by:<\/h3>\n<p data-start=\"5274\" data-end=\"5340\">A. Mendel<br data-start=\"5283\" data-end=\"5286\" \/>B. Landsteiner<br data-start=\"5300\" data-end=\"5303\" \/>C. Watson<br data-start=\"5312\" data-end=\"5315\" \/>D. Darwin<br data-start=\"5324\" data-end=\"5327\" \/><strong data-start=\"5327\" data-end=\"5338\">Answer:<\/strong> B<\/p>\n<hr data-start=\"5342\" data-end=\"5345\" \/>\n<h3 data-start=\"5347\" data-end=\"5392\">41. Which blood group is universal donor?<\/h3>\n<p data-start=\"5393\" data-end=\"5435\">A. A<br data-start=\"5397\" data-end=\"5400\" \/>B. B<br data-start=\"5404\" data-end=\"5407\" \/>C. AB<br data-start=\"5412\" data-end=\"5415\" \/>D. O<br data-start=\"5419\" data-end=\"5422\" \/><strong data-start=\"5422\" data-end=\"5433\">Answer:<\/strong> D<\/p>\n<h3 data-start=\"5437\" data-end=\"5486\">42. Which blood group is universal recipient?<\/h3>\n<p data-start=\"5487\" data-end=\"5529\">A. A<br data-start=\"5491\" data-end=\"5494\" \/>B. B<br data-start=\"5498\" data-end=\"5501\" \/>C. O<br data-start=\"5505\" data-end=\"5508\" \/>D. AB<br data-start=\"5513\" data-end=\"5516\" \/><strong data-start=\"5516\" data-end=\"5527\">Answer:<\/strong> D<\/p>\n<h3 data-start=\"5531\" data-end=\"5562\">43. Codominance is seen in:<\/h3>\n<p data-start=\"5563\" data-end=\"5640\">A. Eye color<br data-start=\"5575\" data-end=\"5578\" \/>B. ABO blood group<br data-start=\"5596\" data-end=\"5599\" \/>C. Skin color<br data-start=\"5612\" data-end=\"5615\" \/>D. Height<br data-start=\"5624\" data-end=\"5627\" \/><strong data-start=\"5627\" data-end=\"5638\">Answer:<\/strong> B<\/p>\n<h3 data-start=\"5642\" data-end=\"5674\">44. In incomplete dominance:<\/h3>\n<p data-start=\"5675\" data-end=\"5807\">A. One allele dominates<br data-start=\"5698\" data-end=\"5701\" \/>B. No allele expresses<br data-start=\"5723\" data-end=\"5726\" \/>C. Both alleles express fully<br data-start=\"5755\" data-end=\"5758\" \/>D. Intermediate phenotype appears<br data-start=\"5791\" data-end=\"5794\" \/><strong data-start=\"5794\" data-end=\"5805\">Answer:<\/strong> D<\/p>\n<h3 data-start=\"5809\" data-end=\"5852\">45. Polygenic traits are controlled by:<\/h3>\n<p data-start=\"5853\" data-end=\"5929\">A. One gene<br data-start=\"5864\" data-end=\"5867\" \/>B. Two genes<br data-start=\"5879\" data-end=\"5882\" \/>C. Multiple genes<br data-start=\"5899\" data-end=\"5902\" \/>D. No genes<br data-start=\"5913\" data-end=\"5916\" \/><strong data-start=\"5916\" data-end=\"5927\">Answer:<\/strong> C<\/p>\n<hr data-start=\"5931\" data-end=\"5934\" \/>\n<h3 data-start=\"5936\" data-end=\"5972\">46. Skin color is an example of:<\/h3>\n<p data-start=\"5973\" data-end=\"6071\">A. Monogenic trait<br data-start=\"5991\" data-end=\"5994\" \/>B. Polygenic trait<br data-start=\"6012\" data-end=\"6015\" \/>C. Recessive trait<br data-start=\"6033\" data-end=\"6036\" \/>D. Sex-linked trait<br data-start=\"6055\" data-end=\"6058\" \/><strong data-start=\"6058\" data-end=\"6069\">Answer:<\/strong> B<\/p>\n<h3 data-start=\"6073\" data-end=\"6123\">47. Which molecule helps in protein synthesis?<\/h3>\n<p data-start=\"6124\" data-end=\"6180\">A. DNA<br data-start=\"6130\" data-end=\"6133\" \/>B. mRNA<br data-start=\"6140\" data-end=\"6143\" \/>C. Lipid<br data-start=\"6151\" data-end=\"6154\" \/>D. Glucose<br data-start=\"6164\" data-end=\"6167\" \/><strong data-start=\"6167\" data-end=\"6178\">Answer:<\/strong> B<\/p>\n<h3 data-start=\"6182\" data-end=\"6214\">48. Transcription occurs in:<\/h3>\n<p data-start=\"6215\" data-end=\"6286\">A. Cytoplasm<br data-start=\"6227\" data-end=\"6230\" \/>B. Ribosome<br data-start=\"6241\" data-end=\"6244\" \/>C. Nucleus<br data-start=\"6254\" data-end=\"6257\" \/>D. Golgi body<br data-start=\"6270\" data-end=\"6273\" \/><strong data-start=\"6273\" data-end=\"6284\">Answer:<\/strong> C<\/p>\n<h3 data-start=\"6288\" data-end=\"6318\">49. Translation occurs in:<\/h3>\n<p data-start=\"6319\" data-end=\"6391\">A. Nucleus<br data-start=\"6329\" data-end=\"6332\" \/>B. Ribosome<br data-start=\"6343\" data-end=\"6346\" \/>C. Mitochondria<br data-start=\"6361\" data-end=\"6364\" \/>D. Lysosome<br data-start=\"6375\" data-end=\"6378\" \/><strong data-start=\"6378\" data-end=\"6389\">Answer:<\/strong> B<\/p>\n<h3 data-start=\"6393\" data-end=\"6421\">50. Codon is made up of:<\/h3>\n<p data-start=\"6422\" data-end=\"6497\">A. One base<br data-start=\"6433\" data-end=\"6436\" \/>B. Two bases<br data-start=\"6448\" data-end=\"6451\" \/>C. Three bases<br data-start=\"6465\" data-end=\"6468\" \/>D. Four bases<br data-start=\"6481\" data-end=\"6484\" \/><strong data-start=\"6484\" data-end=\"6495\">Answer:<\/strong> C<\/p>\n<hr data-start=\"6499\" data-end=\"6502\" \/>\n<p><a href=\"https:\/\/murreeroad.org\/human-body-anatomy-mcqs-with-answers-100-multiple-choice-questions\/\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4898\" src=\"https:\/\/murreeroad.org\/wp-content\/uploads\/2025\/12\/Human-Body-Anatomy-MCQs-with-Answers.jpg\" alt=\"Human Body &amp; Anatomy MCQs with Answers\" width=\"1000\" height=\"563\" srcset=\"https:\/\/learn-nest.murreeroad.org\/blog\/wp-content\/uploads\/2025\/12\/Human-Body-Anatomy-MCQs-with-Answers.jpg 1000w, https:\/\/learn-nest.murreeroad.org\/blog\/wp-content\/uploads\/2025\/12\/Human-Body-Anatomy-MCQs-with-Answers-300x169.jpg 300w, https:\/\/learn-nest.murreeroad.org\/blog\/wp-content\/uploads\/2025\/12\/Human-Body-Anatomy-MCQs-with-Answers-768x432.jpg 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/a><\/p>\n<hr data-start=\"6499\" data-end=\"6502\" \/>\n<h3 data-start=\"6504\" data-end=\"6534\">51. Anticodon is found on:<\/h3>\n<p data-start=\"6535\" data-end=\"6587\">A. mRNA<br data-start=\"6542\" data-end=\"6545\" \/>B. tRNA<br data-start=\"6552\" data-end=\"6555\" \/>C. rRNA<br data-start=\"6562\" data-end=\"6565\" \/>D. DNA<br data-start=\"6571\" data-end=\"6574\" \/><strong data-start=\"6574\" data-end=\"6585\">Answer:<\/strong> B<\/p>\n<h3 data-start=\"6589\" data-end=\"6634\">52. Which base pairs with adenine in DNA?<\/h3>\n<p data-start=\"6635\" data-end=\"6700\">A. Guanine<br data-start=\"6645\" data-end=\"6648\" \/>B. Cytosine<br data-start=\"6659\" data-end=\"6662\" \/>C. Thymine<br data-start=\"6672\" data-end=\"6675\" \/>D. Uracil<br data-start=\"6684\" data-end=\"6687\" \/><strong data-start=\"6687\" data-end=\"6698\">Answer:<\/strong> C<\/p>\n<h3 data-start=\"6702\" data-end=\"6740\">53. Which base pairs with guanine?<\/h3>\n<p data-start=\"6741\" data-end=\"6806\">A. Adenine<br data-start=\"6751\" data-end=\"6754\" \/>B. Thymine<br data-start=\"6764\" data-end=\"6767\" \/>C. Uracil<br data-start=\"6776\" data-end=\"6779\" \/>D. Cytosine<br data-start=\"6790\" data-end=\"6793\" \/><strong data-start=\"6793\" data-end=\"6804\">Answer:<\/strong> D<\/p>\n<h3 data-start=\"6808\" data-end=\"6847\">54. Genetic engineering deals with:<\/h3>\n<p data-start=\"6848\" data-end=\"6941\">A. Cells only<br data-start=\"6861\" data-end=\"6864\" \/>B. DNA manipulation<br data-start=\"6883\" data-end=\"6886\" \/>C. Protein digestion<br data-start=\"6906\" data-end=\"6909\" \/>D. Cell division<br data-start=\"6925\" data-end=\"6928\" \/><strong data-start=\"6928\" data-end=\"6939\">Answer:<\/strong> B<\/p>\n<h3 data-start=\"6943\" data-end=\"6968\">55. Cloning produces:<\/h3>\n<p data-start=\"6969\" data-end=\"7048\">A. Variations<br data-start=\"6982\" data-end=\"6985\" \/>B. Mutations<br data-start=\"6997\" data-end=\"7000\" \/>C. Identical copies<br data-start=\"7019\" data-end=\"7022\" \/>D. Hybrids<br data-start=\"7032\" data-end=\"7035\" \/><strong data-start=\"7035\" data-end=\"7046\">Answer:<\/strong> C<\/p>\n<hr data-start=\"7050\" data-end=\"7053\" \/>\n<h3 data-start=\"7055\" data-end=\"7099\">56. Recombinant DNA technology involves:<\/h3>\n<p data-start=\"7100\" data-end=\"7184\">A. Cell division<br data-start=\"7116\" data-end=\"7119\" \/>B. Gene transfer<br data-start=\"7135\" data-end=\"7138\" \/>C. Mutation<br data-start=\"7149\" data-end=\"7152\" \/>D. Fertilization<br data-start=\"7168\" data-end=\"7171\" \/><strong data-start=\"7171\" data-end=\"7182\">Answer:<\/strong> B<\/p>\n<h3 data-start=\"7186\" data-end=\"7245\">57. Which organism is commonly used in genetic studies?<\/h3>\n<p data-start=\"7246\" data-end=\"7305\">A. Frog<br data-start=\"7253\" data-end=\"7256\" \/>B. Mouse<br data-start=\"7264\" data-end=\"7267\" \/>C. Fruit fly<br data-start=\"7279\" data-end=\"7282\" \/>D. Fish<br data-start=\"7289\" data-end=\"7292\" \/><strong data-start=\"7292\" data-end=\"7303\">Answer:<\/strong> C<\/p>\n<h3 data-start=\"7307\" data-end=\"7334\">58. DNA replication is:<\/h3>\n<p data-start=\"7335\" data-end=\"7417\">A. Conservative<br data-start=\"7350\" data-end=\"7353\" \/>B. Dispersive<br data-start=\"7366\" data-end=\"7369\" \/>C. Semi-conservative<br data-start=\"7389\" data-end=\"7392\" \/>D. Random<br data-start=\"7401\" data-end=\"7404\" \/><strong data-start=\"7404\" data-end=\"7415\">Answer:<\/strong> C<\/p>\n<h3 data-start=\"7419\" data-end=\"7458\">59. The enzyme that unwinds DNA is:<\/h3>\n<p data-start=\"7459\" data-end=\"7527\">A. Ligase<br data-start=\"7468\" data-end=\"7471\" \/>B. Polymerase<br data-start=\"7484\" data-end=\"7487\" \/>C. Helicase<br data-start=\"7498\" data-end=\"7501\" \/>D. Primase<br data-start=\"7511\" data-end=\"7514\" \/><strong data-start=\"7514\" data-end=\"7525\">Answer:<\/strong> C<\/p>\n<h3 data-start=\"7529\" data-end=\"7561\">60. DNA polymerase helps in:<\/h3>\n<p data-start=\"7562\" data-end=\"7656\">A. Cutting DNA<br data-start=\"7576\" data-end=\"7579\" \/>B. Joining fragments<br data-start=\"7599\" data-end=\"7602\" \/>C. Synthesizing DNA<br data-start=\"7621\" data-end=\"7624\" \/>D. Unwinding DNA<br data-start=\"7640\" data-end=\"7643\" \/><strong data-start=\"7643\" data-end=\"7654\">Answer:<\/strong> C<\/p>\n<hr data-start=\"7658\" data-end=\"7661\" \/>\n<h3 data-start=\"7663\" data-end=\"7702\">61. Okazaki fragments are found in:<\/h3>\n<p data-start=\"7703\" data-end=\"7782\">A. Leading strand<br data-start=\"7720\" data-end=\"7723\" \/>B. Lagging strand<br data-start=\"7740\" data-end=\"7743\" \/>C. RNA<br data-start=\"7749\" data-end=\"7752\" \/>D. Chromosomes<br data-start=\"7766\" data-end=\"7769\" \/><strong data-start=\"7769\" data-end=\"7780\">Answer:<\/strong> B<\/p>\n<h3 data-start=\"7784\" data-end=\"7829\">62. Which enzyme joins Okazaki fragments?<\/h3>\n<p data-start=\"7830\" data-end=\"7898\">A. Helicase<br data-start=\"7841\" data-end=\"7844\" \/>B. Ligase<br data-start=\"7853\" data-end=\"7856\" \/>C. Polymerase<br data-start=\"7869\" data-end=\"7872\" \/>D. Primase<br data-start=\"7882\" data-end=\"7885\" \/><strong data-start=\"7885\" data-end=\"7896\">Answer:<\/strong> B<\/p>\n<h3 data-start=\"7900\" data-end=\"7943\">63. Genetic variation is important for:<\/h3>\n<p data-start=\"7944\" data-end=\"8015\">A. Extinction<br data-start=\"7957\" data-end=\"7960\" \/>B. Adaptation<br data-start=\"7973\" data-end=\"7976\" \/>C. Disease<br data-start=\"7986\" data-end=\"7989\" \/>D. Cloning<br data-start=\"7999\" data-end=\"8002\" \/><strong data-start=\"8002\" data-end=\"8013\">Answer:<\/strong> B<\/p>\n<h3 data-start=\"8017\" data-end=\"8054\">64. Which disorder is sex-linked?<\/h3>\n<p data-start=\"8055\" data-end=\"8146\">A. Diabetes<br data-start=\"8066\" data-end=\"8069\" \/>B. Sickle cell anemia<br data-start=\"8090\" data-end=\"8093\" \/>C. Color blindness<br data-start=\"8111\" data-end=\"8114\" \/>D. Down syndrome<br data-start=\"8130\" data-end=\"8133\" \/><strong data-start=\"8133\" data-end=\"8144\">Answer:<\/strong> C<\/p>\n<h3 data-start=\"8148\" data-end=\"8199\">65. The site of a gene on chromosome is called:<\/h3>\n<p data-start=\"8200\" data-end=\"8258\">A. Allele<br data-start=\"8209\" data-end=\"8212\" \/>B. Locus<br data-start=\"8220\" data-end=\"8223\" \/>C. Trait<br data-start=\"8231\" data-end=\"8234\" \/>D. Codon<br data-start=\"8242\" data-end=\"8245\" \/><strong data-start=\"8245\" data-end=\"8256\">Answer:<\/strong> B<\/p>\n<hr data-start=\"8260\" data-end=\"8263\" \/>\n<h3 data-start=\"8265\" data-end=\"8303\">66. Multiple alleles are found in:<\/h3>\n<p data-start=\"8304\" data-end=\"8381\">A. Pea plants<br data-start=\"8317\" data-end=\"8320\" \/>B. ABO blood group<br data-start=\"8338\" data-end=\"8341\" \/>C. Eye color<br data-start=\"8353\" data-end=\"8356\" \/>D. Height<br data-start=\"8365\" data-end=\"8368\" \/><strong data-start=\"8368\" data-end=\"8379\">Answer:<\/strong> B<\/p>\n<h3 data-start=\"8383\" data-end=\"8431\">67. Which genetic disorder affects clotting?<\/h3>\n<p data-start=\"8432\" data-end=\"8504\">A. Thalassemia<br data-start=\"8446\" data-end=\"8449\" \/>B. Hemophilia<br data-start=\"8462\" data-end=\"8465\" \/>C. Leukemia<br data-start=\"8476\" data-end=\"8479\" \/>D. Asthma<br data-start=\"8488\" data-end=\"8491\" \/><strong data-start=\"8491\" data-end=\"8502\">Answer:<\/strong> B<\/p>\n<h3 data-start=\"8506\" data-end=\"8545\">68. Genetic material in viruses is:<\/h3>\n<p data-start=\"8546\" data-end=\"8616\">A. Only DNA<br data-start=\"8557\" data-end=\"8560\" \/>B. Only RNA<br data-start=\"8571\" data-end=\"8574\" \/>C. DNA or RNA<br data-start=\"8587\" data-end=\"8590\" \/>D. Protein<br data-start=\"8600\" data-end=\"8603\" \/><strong data-start=\"8603\" data-end=\"8614\">Answer:<\/strong> C<\/p>\n<h3 data-start=\"8618\" data-end=\"8665\">69. The process of forming RNA from DNA is:<\/h3>\n<p data-start=\"8666\" data-end=\"8746\">A. Translation<br data-start=\"8680\" data-end=\"8683\" \/>B. Transcription<br data-start=\"8699\" data-end=\"8702\" \/>C. Replication<br data-start=\"8716\" data-end=\"8719\" \/>D. Mutation<br data-start=\"8730\" data-end=\"8733\" \/><strong data-start=\"8733\" data-end=\"8744\">Answer:<\/strong> B<\/p>\n<h3 data-start=\"8748\" data-end=\"8801\">70. Which scientist proposed the concept of gene?<\/h3>\n<p data-start=\"8802\" data-end=\"8862\">A. Mendel<br data-start=\"8811\" data-end=\"8814\" \/>B. Morgan<br data-start=\"8823\" data-end=\"8826\" \/>C. Watson<br data-start=\"8835\" data-end=\"8838\" \/>D. Crick<br data-start=\"8846\" data-end=\"8849\" \/><strong data-start=\"8849\" data-end=\"8860\">Answer:<\/strong> B<\/p>\n<hr data-start=\"8864\" data-end=\"8867\" \/>\n<h3 data-start=\"8869\" data-end=\"8891\">71. Linkage means:<\/h3>\n<p data-start=\"8892\" data-end=\"9013\">A. Genes on different chromosomes<br data-start=\"8925\" data-end=\"8928\" \/>B. Genes on same chromosome<br data-start=\"8955\" data-end=\"8958\" \/>C. Independent genes<br data-start=\"8978\" data-end=\"8981\" \/>D. Mutated genes<br data-start=\"8997\" data-end=\"9000\" \/><strong data-start=\"9000\" data-end=\"9011\">Answer:<\/strong> B<\/p>\n<h3 data-start=\"9015\" data-end=\"9062\">72. Sex determination in humans depends on:<\/h3>\n<p data-start=\"9063\" data-end=\"9143\">A. Mother<br data-start=\"9072\" data-end=\"9075\" \/>B. Father<br data-start=\"9084\" data-end=\"9087\" \/>C. Both parents equally<br data-start=\"9110\" data-end=\"9113\" \/>D. Environment<br data-start=\"9127\" data-end=\"9130\" \/><strong data-start=\"9130\" data-end=\"9141\">Answer:<\/strong> B<\/p>\n<h3 data-start=\"9145\" data-end=\"9171\">73. A karyotype shows:<\/h3>\n<p data-start=\"9172\" data-end=\"9279\">A. DNA structure<br data-start=\"9188\" data-end=\"9191\" \/>B. Chromosome number and shape<br data-start=\"9221\" data-end=\"9224\" \/>C. Gene sequence<br data-start=\"9240\" data-end=\"9243\" \/>D. Protein structure<br data-start=\"9263\" data-end=\"9266\" \/><strong data-start=\"9266\" data-end=\"9277\">Answer:<\/strong> B<\/p>\n<h3 data-start=\"9281\" data-end=\"9315\">74. Extra chromosome leads to:<\/h3>\n<p data-start=\"9316\" data-end=\"9389\">A. Mutation<br data-start=\"9327\" data-end=\"9330\" \/>B. Polyploidy<br data-start=\"9343\" data-end=\"9346\" \/>C. Aneuploidy<br data-start=\"9359\" data-end=\"9362\" \/>D. Deletion<br data-start=\"9373\" data-end=\"9376\" \/><strong data-start=\"9376\" data-end=\"9387\">Answer:<\/strong> C<\/p>\n<h3 data-start=\"9391\" data-end=\"9427\">75. Genetic counseling helps in:<\/h3>\n<p data-start=\"9428\" data-end=\"9518\">A. Treatment<br data-start=\"9440\" data-end=\"9443\" \/>B. Diagnosis<br data-start=\"9455\" data-end=\"9458\" \/>C. Predicting genetic disorders<br data-start=\"9489\" data-end=\"9492\" \/>D. Surgery<br data-start=\"9502\" data-end=\"9505\" \/><strong data-start=\"9505\" data-end=\"9516\">Answer:<\/strong> C<\/p>\n<hr data-start=\"9520\" data-end=\"9523\" \/>\n<h3 data-start=\"9525\" data-end=\"9561\">76. Which base is absent in DNA?<\/h3>\n<p data-start=\"9562\" data-end=\"9627\">A. Adenine<br data-start=\"9572\" data-end=\"9575\" \/>B. Thymine<br data-start=\"9585\" data-end=\"9588\" \/>C. Cytosine<br data-start=\"9599\" data-end=\"9602\" \/>D. Uracil<br data-start=\"9611\" data-end=\"9614\" \/><strong data-start=\"9614\" data-end=\"9625\">Answer:<\/strong> D<\/p>\n<h3 data-start=\"9629\" data-end=\"9676\">77. Which technique is used to amplify DNA?<\/h3>\n<p data-start=\"9677\" data-end=\"9756\">A. Gel electrophoresis<br data-start=\"9699\" data-end=\"9702\" \/>B. PCR<br data-start=\"9708\" data-end=\"9711\" \/>C. Cloning<br data-start=\"9721\" data-end=\"9724\" \/>D. Hybridization<br data-start=\"9740\" data-end=\"9743\" \/><strong data-start=\"9743\" data-end=\"9754\">Answer:<\/strong> B<\/p>\n<h3 data-start=\"9758\" data-end=\"9814\">78. Which scientist discovered inheritance patterns?<\/h3>\n<p data-start=\"9815\" data-end=\"9876\">A. Darwin<br data-start=\"9824\" data-end=\"9827\" \/>B. Mendel<br data-start=\"9836\" data-end=\"9839\" \/>C. Watson<br data-start=\"9848\" data-end=\"9851\" \/>D. Morgan<br data-start=\"9860\" data-end=\"9863\" \/><strong data-start=\"9863\" data-end=\"9874\">Answer:<\/strong> B<\/p>\n<h3 data-start=\"9878\" data-end=\"9902\">79. Genetic code is:<\/h3>\n<p data-start=\"9903\" data-end=\"9979\">A. Universal<br data-start=\"9915\" data-end=\"9918\" \/>B. Variable<br data-start=\"9929\" data-end=\"9932\" \/>C. Random<br data-start=\"9941\" data-end=\"9944\" \/>D. Species-specific<br data-start=\"9963\" data-end=\"9966\" \/><strong data-start=\"9966\" data-end=\"9977\">Answer:<\/strong> A<\/p>\n<h3 data-start=\"9981\" data-end=\"10017\">80. Stop codons do not code for:<\/h3>\n<p data-start=\"10018\" data-end=\"10080\">A. DNA<br data-start=\"10024\" data-end=\"10027\" \/>B. RNA<br data-start=\"10033\" data-end=\"10036\" \/>C. Amino acids<br data-start=\"10050\" data-end=\"10053\" \/>D. Proteins<br data-start=\"10064\" data-end=\"10067\" \/><strong data-start=\"10067\" data-end=\"10078\">Answer:<\/strong> C<\/p>\n<hr data-start=\"10082\" data-end=\"10085\" \/>\n<h3 data-start=\"10087\" data-end=\"10122\">81. Which disease is inherited?<\/h3>\n<p data-start=\"10123\" data-end=\"10204\">A. Malaria<br data-start=\"10133\" data-end=\"10136\" \/>B. Tuberculosis<br data-start=\"10151\" data-end=\"10154\" \/>C. Sickle cell anemia<br data-start=\"10175\" data-end=\"10178\" \/>D. Cholera<br data-start=\"10188\" data-end=\"10191\" \/><strong data-start=\"10191\" data-end=\"10202\">Answer:<\/strong> C<\/p>\n<h3 data-start=\"10206\" data-end=\"10244\">82. Which process creates hybrids?<\/h3>\n<p data-start=\"10245\" data-end=\"10327\">A. Self-pollination<br data-start=\"10264\" data-end=\"10267\" \/>B. Cross-breeding<br data-start=\"10284\" data-end=\"10287\" \/>C. Cloning<br data-start=\"10297\" data-end=\"10300\" \/>D. Mutation<br data-start=\"10311\" data-end=\"10314\" \/><strong data-start=\"10314\" data-end=\"10325\">Answer:<\/strong> B<\/p>\n<h3 data-start=\"10329\" data-end=\"10380\">83. Mendel\u2019s experiments showed inheritance is:<\/h3>\n<p data-start=\"10381\" data-end=\"10453\">A. Blending<br data-start=\"10392\" data-end=\"10395\" \/>B. Random<br data-start=\"10404\" data-end=\"10407\" \/>C. Particulate<br data-start=\"10421\" data-end=\"10424\" \/>D. Continuous<br data-start=\"10437\" data-end=\"10440\" \/><strong data-start=\"10440\" data-end=\"10451\">Answer:<\/strong> C<\/p>\n<h3 data-start=\"10455\" data-end=\"10488\">84. Chromatids are joined at:<\/h3>\n<p data-start=\"10489\" data-end=\"10555\">A. Telomere<br data-start=\"10500\" data-end=\"10503\" \/>B. Centromere<br data-start=\"10516\" data-end=\"10519\" \/>C. Locus<br data-start=\"10527\" data-end=\"10530\" \/>D. Allele<br data-start=\"10539\" data-end=\"10542\" \/><strong data-start=\"10542\" data-end=\"10553\">Answer:<\/strong> B<\/p>\n<h3 data-start=\"10557\" data-end=\"10601\">85. Which term describes visible traits?<\/h3>\n<p data-start=\"10602\" data-end=\"10667\">A. Genotype<br data-start=\"10613\" data-end=\"10616\" \/>B. Phenotype<br data-start=\"10628\" data-end=\"10631\" \/>C. Allele<br data-start=\"10640\" data-end=\"10643\" \/>D. Locus<br data-start=\"10651\" data-end=\"10654\" \/><strong data-start=\"10654\" data-end=\"10665\">Answer:<\/strong> B<\/p>\n<hr data-start=\"10669\" data-end=\"10672\" \/>\n<h3 data-start=\"10674\" data-end=\"10724\">86. Which process increases genetic diversity?<\/h3>\n<p data-start=\"10725\" data-end=\"10797\">A. Mitosis<br data-start=\"10735\" data-end=\"10738\" \/>B. Binary fission<br data-start=\"10755\" data-end=\"10758\" \/>C. Meiosis<br data-start=\"10768\" data-end=\"10771\" \/>D. Cloning<br data-start=\"10781\" data-end=\"10784\" \/><strong data-start=\"10784\" data-end=\"10795\">Answer:<\/strong> C<\/p>\n<h3 data-start=\"10799\" data-end=\"10831\">87. A gene mutation affects:<\/h3>\n<p data-start=\"10832\" data-end=\"10912\">A. Protein structure<br data-start=\"10852\" data-end=\"10855\" \/>B. Cell wall<br data-start=\"10867\" data-end=\"10870\" \/>C. Cytoplasm<br data-start=\"10882\" data-end=\"10885\" \/>D. Ribosome<br data-start=\"10896\" data-end=\"10899\" \/><strong data-start=\"10899\" data-end=\"10910\">Answer:<\/strong> A<\/p>\n<h3 data-start=\"10914\" data-end=\"10969\">88. Which disorder is caused by lack of hemoglobin?<\/h3>\n<p data-start=\"10970\" data-end=\"11044\">A. Hemophilia<br data-start=\"10983\" data-end=\"10986\" \/>B. Thalassemia<br data-start=\"11000\" data-end=\"11003\" \/>C. Leukemia<br data-start=\"11014\" data-end=\"11017\" \/>D. Diabetes<br data-start=\"11028\" data-end=\"11031\" \/><strong data-start=\"11031\" data-end=\"11042\">Answer:<\/strong> B<\/p>\n<h3 data-start=\"11046\" data-end=\"11071\">89. What is heredity?<\/h3>\n<p data-start=\"11072\" data-end=\"11168\">A. Growth of organism<br data-start=\"11093\" data-end=\"11096\" \/>B. Transfer of traits<br data-start=\"11117\" data-end=\"11120\" \/>C. Cell division<br data-start=\"11136\" data-end=\"11139\" \/>D. Adaptation<br data-start=\"11152\" data-end=\"11155\" \/><strong data-start=\"11155\" data-end=\"11166\">Answer:<\/strong> B<\/p>\n<h3 data-start=\"11170\" data-end=\"11209\">90. Genetic information flows from:<\/h3>\n<p data-start=\"11210\" data-end=\"11323\">A. RNA \u2192 DNA \u2192 Protein<br data-start=\"11232\" data-end=\"11235\" \/>B. DNA \u2192 RNA \u2192 Protein<br data-start=\"11257\" data-end=\"11260\" \/>C. Protein \u2192 DNA \u2192 RNA<br data-start=\"11282\" data-end=\"11285\" \/>D. RNA \u2192 Protein \u2192 DNA<br data-start=\"11307\" data-end=\"11310\" \/><strong data-start=\"11310\" data-end=\"11321\">Answer:<\/strong> B<\/p>\n<hr data-start=\"11325\" data-end=\"11328\" \/>\n<h3 data-start=\"11330\" data-end=\"11376\">91. Which type of RNA carries amino acids?<\/h3>\n<p data-start=\"11377\" data-end=\"11431\">A. mRNA<br data-start=\"11384\" data-end=\"11387\" \/>B. rRNA<br data-start=\"11394\" data-end=\"11397\" \/>C. tRNA<br data-start=\"11404\" data-end=\"11407\" \/>D. snRNA<br data-start=\"11415\" data-end=\"11418\" \/><strong data-start=\"11418\" data-end=\"11429\">Answer:<\/strong> C<\/p>\n<h3 data-start=\"11433\" data-end=\"11471\">92. Which trait skips generations?<\/h3>\n<p data-start=\"11472\" data-end=\"11545\">A. Dominant<br data-start=\"11483\" data-end=\"11486\" \/>B. Recessive<br data-start=\"11498\" data-end=\"11501\" \/>C. Codominant<br data-start=\"11514\" data-end=\"11517\" \/>D. Polygenic<br data-start=\"11529\" data-end=\"11532\" \/><strong data-start=\"11532\" data-end=\"11543\">Answer:<\/strong> B<\/p>\n<h3 data-start=\"11547\" data-end=\"11597\">93. Which mutation does not change amino acid?<\/h3>\n<p data-start=\"11598\" data-end=\"11667\">A. Silent<br data-start=\"11607\" data-end=\"11610\" \/>B. Missense<br data-start=\"11621\" data-end=\"11624\" \/>C. Nonsense<br data-start=\"11635\" data-end=\"11638\" \/>D. Frameshift<br data-start=\"11651\" data-end=\"11654\" \/><strong data-start=\"11654\" data-end=\"11665\">Answer:<\/strong> A<\/p>\n<h3 data-start=\"11669\" data-end=\"11731\">94. Which term refers to many genes controlling one trait?<\/h3>\n<p data-start=\"11732\" data-end=\"11816\">A. Codominance<br data-start=\"11746\" data-end=\"11749\" \/>B. Polygenic inheritance<br data-start=\"11773\" data-end=\"11776\" \/>C. Linkage<br data-start=\"11786\" data-end=\"11789\" \/>D. Mutation<br data-start=\"11800\" data-end=\"11803\" \/><strong data-start=\"11803\" data-end=\"11814\">Answer:<\/strong> B<\/p>\n<h3 data-start=\"11818\" data-end=\"11859\">95. Human eye color is an example of:<\/h3>\n<p data-start=\"11860\" data-end=\"11957\">A. Single gene trait<br data-start=\"11880\" data-end=\"11883\" \/>B. Polygenic trait<br data-start=\"11901\" data-end=\"11904\" \/>C. Sex-linked trait<br data-start=\"11923\" data-end=\"11926\" \/>D. Lethal trait<br data-start=\"11941\" data-end=\"11944\" \/><strong data-start=\"11944\" data-end=\"11955\">Answer:<\/strong> B<\/p>\n<hr data-start=\"11959\" data-end=\"11962\" \/>\n<h3 data-start=\"11964\" data-end=\"12003\">96. DNA fingerprinting is used for:<\/h3>\n<p data-start=\"12004\" data-end=\"12093\">A. Cell division<br data-start=\"12020\" data-end=\"12023\" \/>B. Protein synthesis<br data-start=\"12043\" data-end=\"12046\" \/>C. Identification<br data-start=\"12063\" data-end=\"12066\" \/>D. Mutation<br data-start=\"12077\" data-end=\"12080\" \/><strong data-start=\"12080\" data-end=\"12091\">Answer:<\/strong> C<\/p>\n<h3 data-start=\"12095\" data-end=\"12132\">97. Which enzyme synthesizes RNA?<\/h3>\n<p data-start=\"12133\" data-end=\"12212\">A. DNA polymerase<br data-start=\"12150\" data-end=\"12153\" \/>B. RNA polymerase<br data-start=\"12170\" data-end=\"12173\" \/>C. Ligase<br data-start=\"12182\" data-end=\"12185\" \/>D. Helicase<br data-start=\"12196\" data-end=\"12199\" \/><strong data-start=\"12199\" data-end=\"12210\">Answer:<\/strong> B<\/p>\n<h3 data-start=\"12214\" data-end=\"12254\">98. The term \u201callele\u201d was coined by:<\/h3>\n<p data-start=\"12255\" data-end=\"12317\">A. Mendel<br data-start=\"12264\" data-end=\"12267\" \/>B. Bateson<br data-start=\"12277\" data-end=\"12280\" \/>C. Morgan<br data-start=\"12289\" data-end=\"12292\" \/>D. Darwin<br data-start=\"12301\" data-end=\"12304\" \/><strong data-start=\"12304\" data-end=\"12315\">Answer:<\/strong> B<\/p>\n<h3 data-start=\"12319\" data-end=\"12376\">99. Which structure holds sister chromatids together?<\/h3>\n<p data-start=\"12377\" data-end=\"12443\">A. Telomere<br data-start=\"12388\" data-end=\"12391\" \/>B. Locus<br data-start=\"12399\" data-end=\"12402\" \/>C. Centromere<br data-start=\"12415\" data-end=\"12418\" \/>D. Allele<br data-start=\"12427\" data-end=\"12430\" \/><strong data-start=\"12430\" data-end=\"12441\">Answer:<\/strong> C<\/p>\n<h3 data-start=\"12445\" data-end=\"12477\">100. Genetics helps explain:<\/h3>\n<p data-start=\"12478\" data-end=\"12557\">A. Weather<br data-start=\"12488\" data-end=\"12491\" \/>B. Heredity and variation<br data-start=\"12516\" data-end=\"12519\" \/>C. Gravity<br data-start=\"12529\" data-end=\"12532\" \/>D. Motion<br data-start=\"12541\" data-end=\"12544\" \/><strong data-start=\"12544\" data-end=\"12555\">Answer:<\/strong> B<\/p>\n<p data-start=\"12478\" data-end=\"12557\"><a href=\"https:\/\/rgsoftwares.com\/school-management-software\/\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-4881 size-medium\" src=\"https:\/\/murreeroad.org\/wp-content\/uploads\/2025\/12\/sm-300x300.png\" alt=\"sm\" width=\"300\" height=\"300\" srcset=\"https:\/\/learn-nest.murreeroad.org\/blog\/wp-content\/uploads\/2025\/12\/sm-300x300.png 300w, https:\/\/learn-nest.murreeroad.org\/blog\/wp-content\/uploads\/2025\/12\/sm-1024x1024.png 1024w, https:\/\/learn-nest.murreeroad.org\/blog\/wp-content\/uploads\/2025\/12\/sm-150x150.png 150w, https:\/\/learn-nest.murreeroad.org\/blog\/wp-content\/uploads\/2025\/12\/sm-768x768.png 768w, https:\/\/learn-nest.murreeroad.org\/blog\/wp-content\/uploads\/2025\/12\/sm.png 1080w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Genetics MCQs: Practice Genetics with 100 MCQs and answers covering Mendelian inheritance, DNA, RNA, chromosomes, mutations, and genetic disorders\u2014ideal for students and competitive exams. Genetics is a vital branch of biology that explains how traits are passed from parents to offspring through genes and chromosomes. A clear understanding of genetic concepts such as Mendelian inheritance, &#8230; <a title=\"Genetics MCQs with Answers \u2013 100 Multiple Choice Questions\" class=\"read-more\" href=\"https:\/\/learn-nest.murreeroad.org\/blog\/genetics-mcqs-with-answers-100-multiple-choice-questions\/\" aria-label=\"Read more about Genetics MCQs with Answers \u2013 100 Multiple Choice Questions\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":4908,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"googlesitekit_rrm_CAowprK_DA:productID":"","om_disable_all_campaigns":false,"_uag_custom_page_level_css":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[2106],"tags":[2121,2730,2724,2727,2737,2715,2735,2726,2728,2218,2222,2731,2723,2729,2734,2725,173,2738,2736,2733,2732],"class_list":["post-4904","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mcqs","tag-100-multiple-choice-questions","tag-basic-genetics-quiz","tag-biology-mcqs-genetics","tag-chromosome-questions","tag-chromosomes","tag-competitive-exam-biology","tag-dna","tag-dna-and-rna-mcqs","tag-genetic-disorders-mcqs","tag-genetics","tag-genetics-mcqs","tag-genetics-mcqs-with-answers","tag-genetics-questions-with-answers","tag-heredity-and-variation-mcqs","tag-mendelian-inheritance","tag-mendelian-inheritance-mcqs","tag-multiple-choice-questions","tag-mutations","tag-rna","tag-which-process-produces-gametes","tag-who-is-known-as-the-father-of-genetics"],"aioseo_notices":[],"uagb_featured_image_src":{"full":["https:\/\/learn-nest.murreeroad.org\/blog\/wp-content\/uploads\/2025\/12\/Genetics-MCQs-with-Answers.jpg",1024,620,false],"thumbnail":["https:\/\/learn-nest.murreeroad.org\/blog\/wp-content\/uploads\/2025\/12\/Genetics-MCQs-with-Answers-150x150.jpg",150,150,true],"medium":["https:\/\/learn-nest.murreeroad.org\/blog\/wp-content\/uploads\/2025\/12\/Genetics-MCQs-with-Answers-300x182.jpg",300,182,true],"medium_large":["https:\/\/learn-nest.murreeroad.org\/blog\/wp-content\/uploads\/2025\/12\/Genetics-MCQs-with-Answers-768x465.jpg",768,465,true],"large":["https:\/\/learn-nest.murreeroad.org\/blog\/wp-content\/uploads\/2025\/12\/Genetics-MCQs-with-Answers.jpg",1024,620,false],"1536x1536":["https:\/\/learn-nest.murreeroad.org\/blog\/wp-content\/uploads\/2025\/12\/Genetics-MCQs-with-Answers.jpg",1024,620,false],"2048x2048":["https:\/\/learn-nest.murreeroad.org\/blog\/wp-content\/uploads\/2025\/12\/Genetics-MCQs-with-Answers.jpg",1024,620,false]},"uagb_author_info":{"display_name":"admin","author_link":"https:\/\/learn-nest.murreeroad.org\/blog\/author\/admin\/"},"uagb_comment_info":0,"uagb_excerpt":"Genetics MCQs: Practice Genetics with 100 MCQs and answers covering Mendelian inheritance, DNA, RNA, chromosomes, mutations, and genetic disorders\u2014ideal for students and competitive exams. Genetics is a vital branch of biology that explains how traits are passed from parents to offspring through genes and chromosomes. A clear understanding of genetic concepts such as Mendelian inheritance,&hellip;","_links":{"self":[{"href":"https:\/\/learn-nest.murreeroad.org\/blog\/wp-json\/wp\/v2\/posts\/4904","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/learn-nest.murreeroad.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/learn-nest.murreeroad.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/learn-nest.murreeroad.org\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/learn-nest.murreeroad.org\/blog\/wp-json\/wp\/v2\/comments?post=4904"}],"version-history":[{"count":1,"href":"https:\/\/learn-nest.murreeroad.org\/blog\/wp-json\/wp\/v2\/posts\/4904\/revisions"}],"predecessor-version":[{"id":4906,"href":"https:\/\/learn-nest.murreeroad.org\/blog\/wp-json\/wp\/v2\/posts\/4904\/revisions\/4906"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/learn-nest.murreeroad.org\/blog\/wp-json\/wp\/v2\/media\/4908"}],"wp:attachment":[{"href":"https:\/\/learn-nest.murreeroad.org\/blog\/wp-json\/wp\/v2\/media?parent=4904"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/learn-nest.murreeroad.org\/blog\/wp-json\/wp\/v2\/categories?post=4904"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/learn-nest.murreeroad.org\/blog\/wp-json\/wp\/v2\/tags?post=4904"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}