Question

H) How does gene flow affect genetic variation? (1 point)
Reduces genetic variation within a population
Has no effect on genetic variation
Increases genetic variation between populations
Increases genetic variation within a population

Answer 1

Gene flow, which is the transfer of genetic material between populations, generally has the effect of **reducing genetic variation within a population** and **increasing genetic variation between populations**. Therefore, the correct answer to your question would be:

**Reduces genetic variation within a population.**