Question

what is directional selection ?
explain about it
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Answer 1

Answer:

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In population genetics, directional selection, or positive selection is a mode of natural selection in which an extreme phenotype is favored over other phenotypes, causing the allele frequency to shift over time in the direction of that phenotype.

Answer 2

Answer:

directional selection:

• a mode of natural selection in which a single phenotype is favored, causing the allele frequency to continuously shift in one direction.