Question

which of the following best defines a gene pool?
the sum of all genetic traits in a populations individuals at a given time
any movement of genes from one population to another
any movement of organisms from one environment to another
the random change in the frequency of an allele in a population

Explanation:

A gene pool refers to the collection of all genetic material (alleles) present in a population at a specific time. The first option matches this definition. The second option describes gene flow, the third is migration of organisms, and the fourth is genetic drift.

Answer:

the sum of all genetic traits in a population's individuals at a given time