Which of the following decreases genetic variation?
A) mutation
B) selection
C) recombination
D) gene flow

Question

Quizplus · Accepted Answer

Selection reduces genetic variation by selectively favoring certain traits over others, leading to the elimination of less fit genetic variants. The other options increase genetic variation: 
A) Mutation introduces new genetic variation into a population 
C) Recombination shuffles existing genetic variation into new combinations 
D) Gene flow introduces genetic variation from one population to another.

Which of the Following Decreases Genetic Variation