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Biology, 13.03.2022 03:10 brian2913

Which statement correctly describes the role of chance in evolution? An allele that increases evolutionary fitness cannot be lost from a population by chance occurrence.
Evolution by natural selection proceeds by an accumulation of changes that occur by chance.
New alleles by random changes can only occur through genetic drift.
Mutations results in genetic variation for natural selection to occur.

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Which statement correctly describes the role of chance in evolution? An allele that increases evol...
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