In a population that is not evolving, which o | vedclass

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(D) According to the $Hardy-Weinberg$ principle, allele frequencies in a population remain constant in the absence of evolutionary forces. $Natural se

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Natural selection

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(D) According to the $Hardy-Weinberg$ principle, allele frequencies in a population remain constant in the absence of evolutionary forces. $Natural selection$ is the only evolutionary force that causes a change in allele frequencies in a specific, adaptive direction. $Migration$ (gene flow) and $Mutation$ can change allele frequencies but are not inherently directional in terms of adaptation. $Genetic drift$ causes random, non-directional changes in allele frequencies, especially in small populations.

In a population that is not evolving, which of the following can cause a change in allele frequencies in a specific direction?

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