Multiple choice

New alleles appeared in a population that is NOT due to mutations. Where/how did they appear?

  1. independent assortment of chromosomes

  2. gene flow (migration)

  3. natural selection of traits

  4. genetic drift (bottleneck or founder's effect)

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Gene flow, or the movement of individuals and their alleles between populations through migration, is a primary way that new alleles can be introduced into a population without mutation.