______________________ is most easily seen when populations become isolated from one another. For example, if a small group moves to a new area, the genes present in that group represent only a sample of the total genes present in their original population.

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Genetic drift is a mechanism of evolution that refers to random changes in the frequency of alleles (gene variants) in a population. It is most noticeable in small populations or when a small group becomes isolated from its parent population, leading to a change in allele frequencies simply due to chance. This is because the genes present in the small or isolated group represent only a sample of the genetic diversity of the original population.

______________________ Is Most Easily Seen When Populations Become Isolated from One