Answers

2016-02-29T15:05:08+05:30
The change in the frequency of some genes in a population which provides diversity without any survival advantage is called genetic drift. it is a kind of gene flow.
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2016-02-29T15:13:48+05:30
The gene pool of small population may not be accurately represented in next generation because of sampling errors.
Example, elimination of some alleles in small populations.
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