Gene flow increases genetic variation within a population. This occurs when individuals from one population migrate and breed with individuals from another population, introducing new alleles and increasing the overall genetic diversity of the receiving population.
How does gene flow affect genetic variation?(1 point)
Responses
Has no effect on genetic variation
Has no effect on genetic variation
Increases genetic variation between populations
Increases genetic variation between populations
Increases genetic variation within a population
Increases genetic variation within a population
Reduces genetic variation within a population
1 answer