InterviewSolution
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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The femal childern of a haemophilia man and carriers woman are likely to be :A. all carriersB. all haemophilicC. half normal and half carriesD. half heamophilic and half carriers |
| Answer» Correct Answer - D | |
| 2. |
The erroe in meiosis that produces a 47,XYY karyotype is best described by:A. Meiotic division I of maternal oogenesisB. Meiotic division II of maternal oogenesisC. Meiotic division I of paternal spermatogenesisD. Meiotic division II of paternal spermatogenesis |
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Answer» Correct Answer - D Only nondisjunction at paternal meiosis II produce a 24, YY gamete that yields a 47, XYY individual after fertilization |
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| 3. |
A women with 47 chromosomes due to three copies of chromosomes 21 is charactericzed by :A. TriploidyB. Down syndromeC. Turner syndromeD. Super femaleness |
| Answer» Correct Answer - B | |
| 4. |
Which of the following symbols are used for represeting sex chromosomes of birds ?A. XY-XYB. ZZ-ZWC. XO-XXD. ZZ-WW |
| Answer» Correct Answer - B | |
| 5. |
ABO blood group were discovered by :A. LejuneB. LederburgC. LandsteinerD. Leeuwenhoek |
| Answer» Correct Answer - C | |
| 6. |
Which disease is genetically linked ?A. PlagueB. HaemophiliaC. DysenteryD. Tuberculosis |
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Answer» Correct Answer - B Dysentery(bacterial),plague and tube rculosis are bacterial diseases,not linked genetucally. |
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| 7. |
Which of the following is genetically determined disease due to formantion of abnormal haemoglobin ?A. EbolaB. MumpsC. HaemophiliaD. Thalassaemia |
| Answer» Correct Answer - D | |
| 8. |
Which of the following is genetically determined disease due to formation of abnormal haemoglobin ?A. EbolaB. MumpsC. HaemophiliaD. Thalassemia |
| Answer» Correct Answer - D | |
| 9. |
If the expression of a trait is limited to one sex, it is sex ……. TraitA. LinkedB. InfluencedC. ExpressedD. Limited |
| Answer» Correct Answer - D | |
| 10. |
Beard formation isA. Sex-limited characterB. Sex-linked characterC. Sexually transmitted characterD. Sexually controlled character |
| Answer» Correct Answer - A | |
| 11. |
The ZZ-ZW sex determination does not exist in :A. BirdsB. MothsC. some fishesD. Drosophila melanogaster |
| Answer» Correct Answer - D | |
| 12. |
Which among the following enzymes protect erythrocyte membrane during oxidant stress?A. Glucose-6-phosphate dehydrogenaseB. CycloxygenaseC. KetoglutarateD. Oxidase |
| Answer» Correct Answer - A | |
| 13. |
In a skip generation in heritance of colour blidness ,the trait from a colour blind man is passed on to :A. SonB. DaughterC. GrandsonD. Granddaughter |
| Answer» Correct Answer - C | |
| 14. |
Ram is colour blind.What is the chance ,his son will inherit colour blindness from him ? |
| Answer» Correct Answer - A | |
| 15. |
If a man and a woman both having colour blind fathers marry,the percentage probability of their first daughters to be colour blind is : |
| Answer» Correct Answer - A | |
| 16. |
Anil is colour blind.What is the chance of his son inheriting colour blindness from him? |
| Answer» Correct Answer - A | |
| 17. |
What are all the chances of colour blind daughter and sons being born in a marriage of normal man marrying a normal woman whose father was colour blind ?A. All sons are normal and all daughter are colour blindB. both the sons and daughter are phenotypically normalC. all the sons are colour blind and all daughters are normalD. 50% sons are colour blind and all daughter are phenotypically normal |
| Answer» Correct Answer - D | |
| 18. |
Of a normal couple, half of sons are haemophilic and half the daughters are heterozygous. The gene for this disease in couple are located onA. Both X-chromosomes of motherB. Y-chromosomes of fatherC. One X-chromosomes of mother and X-chromosomes of fatherD. Both sex chromosemes of the father |
| Answer» Correct Answer - C | |
| 19. |
Mr phillips is colourblind. What is the probability of his male child inheriting this disease from him?A. 1B. 0.25C. 0.5D. 0 |
| Answer» Correct Answer - D | |
| 20. |
Man is usually colourblind than woman becauseA. Man suffers from vitamin-A deficiencyyB. Y-chromosome in man has the genes for this characterC. Genes are located on sex-chromosomesD. Character is dominant in man and recessive in women |
| Answer» Correct Answer - D | |
| 21. |
Colourblind daughter will be born ifA. Mother is colourblindB. Only father is colourblindC. None is colourblindD. Both parents are colourblind |
| Answer» Correct Answer - D | |
| 22. |
A normal woman is married to a man having hypertrichosis.They got one daughter and one son .What is the possibility of this daughter to show hypertichosis condition ?A. 1B. 0.25C. 0.5D. 0.75 |
| Answer» Correct Answer - A | |
| 23. |
A normal woman whose father was colour blind is married to a normal man .The sons would be :A. all normalB. all colour blindC. 50% colour blindD. 75 % colour |
| Answer» Correct Answer - C | |
| 24. |
Parents are colourblind. What is the phenotype of grandsons in f2-generation?A. 50% colourblind and 50% normalB. All normalC. All colourblindD. All are carriers |
| Answer» Correct Answer - C | |
| 25. |
A man with type A blood married a woman, who has type AB blood . We do not known either the man is homozygous or heterzygous for the I allele. Which one of the following types in the progeny of this couple would indicate that the man is heterozygous?A. OB. AC. BD. AB |
| Answer» Correct Answer - C | |
| 26. |
A man with type A blood group marries a woman who has AB group. We do not know whether the man is homozygous or heterozygous for `I^(A)` allele. Which one of the following types in the progony of this couplewould indicate that the man is heterozygous?A. Type AB. Type BC. Type OD. Type AB |
| Answer» Correct Answer - B | |
| 27. |
A woman with straight hair marries a man with curly hair and who is known to be heterozygous for the trait .What is the chance that their first child will have curly hair ?A. No chanceB. One in twoC. It is certainD. One in four |
| Answer» Correct Answer - B | |
| 28. |
Genes which are cofined to differential region of the Y-chromosome only are called :A. mutantB. holandricC. autosomalD. completely sex-linked |
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Answer» Correct Answer - B These genes are confined to the male sex only. |
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| 29. |
A colour blind child have both normla parents .Child isA. MaleB. FemaleC. Either (a) or (b)D. Cannot be predicted |
| Answer» Correct Answer - A | |
| 30. |
A colour blind child have both normla parents .Child isA. maleB. femalesC. may be male or femaleD. cannot be predicted |
| Answer» Correct Answer - A | |
| 31. |
If a colour blind man marries a woman who is normal but carries this this trait,the progny would be :A. all males and 50% females colour blindB. all females and 50% male colour blindC. all normal females but carries of the traitD. 50% males and 50% females colour blind |
| Answer» Correct Answer - D | |
| 32. |
Which abbreviation stands for a genetic trait in man ?A. RhB. LHC. pHD. FSH |
| Answer» Correct Answer - A | |
| 33. |
Rh factor derives its name on the basis of :A. ratB. manC. chimpanzeeD. rhesus monkey |
| Answer» Correct Answer - D | |
| 34. |
Rh factor is present in:A. all reptilesB. all mammalsC. all vertebratesD. man and rhesus monkey only |
| Answer» Correct Answer - D | |
| 35. |
The Rh factor is concerned with:A. pigB. apesC. gorillaD. monkey |
| Answer» Correct Answer - D | |
| 36. |
Which of the following will not result in variations among siblings ?A. LinkageB. MutationC. Cossing overD. Inpendent assortment of genes |
| Answer» Correct Answer - A | |
| 37. |
Sickle cell anamia has not been eleiminated from African polulation asA. Is controlled by recessive genesB. Is not a fatal diseaseC. Provides immunity against malariaD. Is controlled by dominant genes |
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Answer» Correct Answer - B In african population, sickle-cell anaemia has not been eliminated because it provides immunity against malaria. People in these populations who are born heterozygous for sickle-cell anaemia have this advantage |
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| 38. |
Which of the following is not a hereditary diseaseA. CretinismB. Cystic fibrosisC. ThalassemiaD. Haemophilia |
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Answer» Correct Answer - A Cretinism is not a hereditary disease. It is caused by deficiency of thyroid hormones in infants |
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| 39. |
A man a inherit his X chromosome fromA. Maternal grandmother or maternal grandfatherB. FatherC. Maternal grandfatherD. Paternal grandmother |
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Answer» Correct Answer - C A man can inherit his X-chromosome from his maternal grandfather only because males pass their X-chromosome to their daughter |
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| 40. |
An abnormal human baby with `XXX` sex chromosomes was born due toA. Formation of abnormal sperms in the fatherB. Formation of abnormal ova in the motherC. Fusion of two ova and one spermD. Fusion of two sperms and one ovum |
| Answer» Correct Answer - B | |
| 41. |
With respec to phenylketonuria identify which statement is not correctA. It is a case of aneuploidyB. It is an example of pleiotropyC. Caused due to the autosomal recessive traitD. It is an error in matabolism |
| Answer» Correct Answer - C | |
| 42. |
With respec to phenylketonuria identify which statement is not correctA. It is a case of aneuploidyB. It is a an error in metabolism.C. It is an example of pleiotropyD. It is caused by an autosomal recessive trait. |
| Answer» Correct Answer - A | |
| 43. |
Which of the following traits in human is sex linked ?A. DiabetesB. Colour of eyesC. Night blindnessD. none of these |
| Answer» Correct Answer - D | |
| 44. |
Which one of the following statement is relevant to sex linked characters ?A. They are mostly present on Y chromosomeB. They always follows criss-cross inheritanceC. They do not follow criss-cross inheritanceD. They are only present on X chromosome |
| Answer» Correct Answer - B | |
| 45. |
Sex-limited and sex-linked genes are located on:A. AutosomesB. X-chromosomeC. Y-chromosomeD. Both (b) and (c ) |
| Answer» Correct Answer - A | |
| 46. |
The traits which are expressed in only a particular sex though their genes occurs in the opposite sex too are known as :A. sex influenced traitB. sex limited traitsC. sex linked traitD. non of these |
| Answer» Correct Answer - B | |
| 47. |
Distance between the genes and percentage of recombination showsA. no relationshipB. a direct relatioshipC. an inverse relationshipD. a parallel relationship |
| Answer» Correct Answer - C | |
| 48. |
In sickle cell anaemia glutamic acid is replaced by valine Which one of the following triplets codes for valine ?A. GGGB. AAGC. GAAD. GUG |
| Answer» Correct Answer - D | |
| 49. |
Sickle -cell anaemia is a genetic disorder .The cause of the disease is due to : The subsitution of glutamic acid in place of aspartic acid The substitution of proline in place of methionine Substituion of valine in place of glutamic acid .A. (ii)aloneB. (i) and (ii)C. (iii) aloneD. (i),(ii)and (iii) |
| Answer» Correct Answer - C | |
| 50. |
Which of the following is/are the genetic disorder?A. AlkaptonuriaB. AlbinismC. Muscular dystrophyD. all of these |
| Answer» Correct Answer - D | |