Any Factor That Contributes to the Change in Allele Frequency

Any factor that contributes to the change in allele frequency in a breeding population from generation to generation is considered a mechanism of genetic evolution. Those mechanisms are

A) natural selection, mutation, random genetic drift, and gene flow.
B) random genetic drift and random gene flow.
C) independent assortment, recombination, and mutation.
D) sexual selection, mutation, and human biological plasticity.
E) phenotypic straining through the organism's development and mutations across the generations.