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1. Which process maximises the number of successful variations in a species?

2. In asexually reproducing organisms, variations mainly arise due to:

3. The process of inheritance provides:

4. In Mendel’s experiments, when tall and short pea plants were crossed, all F1 progeny were:

5. Which term describes traits like tallness that mask the effect of the other trait?

6. Traits like shortness in pea plants are called:

7. According to Mendel, how many copies of each gene are present in sexually reproducing organisms?

8. In F2 generation of Mendel’s monohybrid cross, the ratio of tall to short plants is:

9. A section of DNA that provides information for a protein is called:

10. Plant height is influenced by:

11. Which structure carries two copies of each gene in cells?

12. Germ cells differ from normal body cells because they contain:

13. The independent pieces of DNA carrying genes are called:

14. The recombination of germ cells during fertilisation restores:

15. In human beings, the number of pairs of autosomes is:

16. The sex chromosomes in a human female are:

17. The sex chromosomes in a human male are:

18. In human reproduction, all children inherit which chromosome from the mother?

19. The sex of a child in humans is determined by:

20. A child who inherits X chromosome from father will be: