Variation and genetics – Online MCQs Test – Biology MCAT

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

2. A cross between red flowered and white flowered plants results in pink flowered plants in F1 when the F1 hybrids were self-fertilized, the resulting F2 generation revealed I red, 2 pink, I white progeny. The type of inheritance is the result of:

3. The blood group without antibody is:

4. Erythroblastosis fetalis is characterized by the symptom of:

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

6. Any genetic trait which is transmitted through sex chromosomes is called:

7. Each human being possesses ________ pairs of chromosomcs.

8. Test cross is a cross between

9. The ratio for law of independent assortment is:

10. Which is pure dihybrid?

11. Sex determination in Drosophila was done by:

12. Erythroblastosis fetal is can occur if marriage occurs between

13. Mendels law of segregation is based on the fact that genes are located on chromosomes and that:

14. The phenomenon in which genes are present on the same chromosomes is

15. Sex limited trait is:

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

17. During meiosis, the homologous chromosomes come together and form pairs, a process called:

18. Variations provide raw materials for the process of:

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

20. Number of chromosomes present in Male Grasshopper: