Variation and genetics – Online MCQs Test – Biology MCAT

1. The genetic complement of an individual is called:

2. Diabetes Mellitus is caused by a deficiency of:

3. The human male possesses a genotype of:

4. The-part of DNA which controls a specific character is

5. X and Y-chromosomes are called:

6. In pleiotropy:

7. Cross appearance of intermediate character is known as:

8. In monohybrid cross the allele do not show any blending and that both the characters are recovered as such in F2 generation. This statement is explained on the basis of

9. Regarding colour blindness, “when a normal male marries carrier female”, which is the correct statement?

10. All other chromosomes except X and Y chromosomes are called

11. The sex-linked genes are present In a significant way on:

12. Mendelian recombination’s are due to:

13. ________ pairs of chromosomes found in Drosophila:

14. The form of appearance of trait is:

15. What is a risk of colour blind child in a family when father is colour blind but mother is normal?

16. A gene or locus which suppresses or masks the actual affect o; gene at another locus: the phenomenon called:

17. Genes A and B are necessary for normal hearing. A deaf man marries a deaf woman and all their children have normal hearing. The genotypes of the parents are:

18. The members of one pair of genes segregate independently of the other pairs, this is:

19. The result obtained from mono hybrid cross is spoken as

20. Mendel found that the F1 always resembled either one of the parents and that the trait of the other parent was not seen in them. This is due to