Define genetic drift and reproductive isolation?

1.	Define genetic drift and reproductive isolation?
Answer» Genetic drift\xa0refers to the random changes\xa0or alterations in gene frequencies that usually occurs in a small population and results from chance processes alon. It can result in genetic traits being lost from a population.Reproductive isolation refers to the inability of members of one population to breed with members of another population because of innate, genetic factors. What is the reproductive isolation?? The gradual change in an organism which possibly increase the chance of survival is called genetic drift.

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