A small population of sawflies that was once connected to a larger one but is now isolated is no longer experiencing
A) enhanced genetic drift.
B) gene flow.
C) reproductive isolation.
D) natural selection.
E) genotypic equilibrium.

Question

Quizplus · Accepted Answer

Gene flow refers to the movement of alleles or genes from one population to another. If a population is isolated, it cannot receive new alleles from another population, and so gene flow is no longer occurring. The other options are not necessarily affected by isolation alone, and require additional factors or conditions to be altered or affected.

A Small Population of Sawflies That Was Once Connected to a Larger