Question

identify the mechanism discussed below.
gene flow the transfer of genes from one population to another
natural selection drives the changes that occur in populations
mutation a permanent change in the dna sequence of a gene
the random change in the frequency of an allele in a population
mutation
gene flow
genetic drift
natural selection

Explanation:

The description "The random change in the frequency of an allele in a population" matches the definition of genetic drift. Mutation is a DNA sequence change, gene flow is gene transfer between populations, and natural selection is non - random and driven by fitness. So the correct mechanism is genetic drift.

Answer:

genetic drift