In sexually reproducing organisms,the chromosome number is maintained by:

Which process is significant for evolution?

Constancy of the chromosome number in successive generations is brought about by the process of

Which of the following statements are correct regarding the importance of meiosis?
$(i)$ It increases the genetic variability in the population of organisms from one generation to the next.
$(ii)$ It decreases genetic variability.
$(iii)$ It occurs in all cells of our body.
$(iv)$ It is an important process for evolution.

The significance of meiosis can be attributed to:

State the significance of meiosis.