Which statement best explains the significance of meiosis in the process of evolution within species?

There exists the same question with the following choices.

1.Meiosis produces eggs and sperm that are alike. 
2.Meiosis provides for chromosomal variation in the gametes produced by an organism. 
3.Equal numbers of eggs and sperm are produced by meiosis. 
4.The gametes produced by meiosis ensure the continuation of any particular species by asexual reproduction.

The correct answer is 2. Meiosis provides for chromosomal variation in the gametes produced by an organism. It happened during cross-over and segregation and law of independent assortment.

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