Variation and genetics – Online MCQs Test – Biology MCAT

1. Law of purity of gametes is:

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

3. Mendel’s hereditary factor “genes” are located on:

4. Lengthwise pairing of homologous chromosomes is called:

5. Each gamete contains only one allele of a particular character and is said to be pure, this

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

7. What is the most common outcome in the F2 generation of a cross between a tall plant and a dwarf plant?

8. The form of appearance of trait is:

9. Suppressive influence of any genetic factor on another that is not its allele is:

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

11. The physiological effect of an allele over its partner allele on locus is called:

12. Basic units of inheritance are:

13. The genetic complement of an individual is called:

14. The allele that masks the effects of the other and the masked allele are known as:

15. ________ pairs of chromosomes found in Drosophila:

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

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

18. Locus is a:

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

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