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When is genetic drift a major factor in evolution?
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When is genetic drift a major factor in evolution?

User Mrk Sef
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Answer: When there is low gene flow

Step-by-step explanation:

User Bozhidar Batsov
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Answer:

Genetic drift can have major effects when a population is sharply reduced in size by a natural disaster (bottleneck effect) or when a small group splits off from the main population to found a colony.

User Sarantis Tofas
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