How can gene flow increase genetic variation within two neighboring populations

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Javon Gomez

Biology

15 January, 08:31

How can gene flow increase genetic variation within two neighboring populations

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Clarissa Johnson · 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.