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The answer is that a "gene pool is set of all genes, or genetic information, in any population in a species" Gene pools are always found in different species or any organisms.

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Answer:

Explanation:

here are the choices:

A. the sum of all genetic traits in a population’s individuals at a given time

B. any movement of genes from one population to another

C. any movement of organisms from one environment to another

D. the random change in the frequency of an allele in a population