Variation and genetics – Online MCQs Test – Biology MCAT

1. Genes that occupies a specific position called:

2. Both alleles of a contrasting character are dominant and express themselves in heterozygous individual neither masking the effect of one another, this is:

3. The position of gene is:

4. II an organism has TtRr genotype, then which of the following gametes does not follow law of independent assortment?

5. Incomplete dominance is also known as:

6. Law of segregation suggests that each gamete has

7. The blood group without antibody is:

8. An individual with contrasting alleles is called

9. Basic units of inheritance are:

10. It test cross gives 5O% dominant and 50% recessive characters it means the parent is:

11. When red-eyed female (XRXR) is cross with white cyed male (X’Y) the F2 generation shows red-eyed & white-eyed, this is ratio of:

12. In Erythroblastosis foctalis:

13. Rh stands for:

14. Phenotype is:

15. When round and wrinkled were crossed, it gave all round. This round is:

16. The breakdown product of RBC is:

17. Acquiring of information about the phenotypes of family members to infer the genetic nature of a trait from the pattern of its inheritance is:

18. Law of independent assortment can be proved by a cross

19. It is the chance of an event to occur

20. Which phenomenon reduces the chances of genetic recombination and variations among offspring?