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How does gene flow bring about a change in gene frequency? |
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Answer» i. Gene flow is also called as gene migration. ii. When a section of population migrates to another population, gene pool of both the populations change, as some alleles are lost from first population, while they are added to second population. iii. When animals migrate from an area to another, they contribute their genes to the gene pool of that area and hence a change in gene frequency. |
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