Answers Biology The Evolution of Life — TestQuestion 6

6

QuizMultiple Choice

The Evolution of Life — Test

Question 6 • Biology

Which best defines a gene pool?

Answer

A

any movement of organisms from one environment to another

B

any movement of genes from one population to another

C

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

D

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

Explanation

A gene pool is the total collection of genetic variants present in a population at a particular time. Choice A describes the genetic traits carried by all individuals in the population. Choice C instead defines gene flow, while choice D describes genetic drift.

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