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When is genetic drift a major factor in evolution?

Correct Answer: When there is no selective pressure

Explanation:

Genetic drift or allelic drift is the change in the relative frequency in which a gene variant (allele) occurs in a population due to random sampling and chance.


 


When is genetic drift a major factor in evolution is


* When there is low gene flow.


* When there is no selective pressure.


* When there is a bottleneck.


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