what effect does natural selection have on population variation? group of answer choices it decreases variation. it increases variation. it does not affect variation. it both increases and decreases variation.

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26-10-2022
Biology

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what effect does natural selection have on population variation? group of answer choices it decreases variation. it increases variation. it does not affect variation. it both increases and decreases variation.

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rafikiedu08 rafikiedu08 · Answer 1 · 2022-10-29T05:29:56-04:00

The effect natural selection has on population variation is that it decreases variation.

By favoring or rejecting a given gene or gene combination, natural selection can reduce genetic variation in populations of organisms. Selection happens as a result of a certain environmental aspect. In population and evolutionary biology, it is a crucial subject.

Natural selection has complex effects on the genetic makeup and evolution of organisms. By favoring or rejecting a given gene or gene combination, natural selection can reduce genetic variation in populations of organisms (leading to directional selection).

By favoring or disfavoring a number of genes or gene combinations (resulting in the disruptive selection or balanced selection), it can increase the genetic diversity of populations.

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