How can gene flow increase genetic variation within two neighboring populations

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Biology

Kendrick Knox

11 March, 01:11

How can gene flow increase genetic variation within two neighboring populations

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Journey Calderon · Answer 1

A population that has been isolated, especially a smaller one, could have a high level of homozygosity and therefore not a lot of genetic variation. Gene flow between such populations can increase the level of heterozygosity, and therefore up genetic variation.