Natural selection for traits that keep distinct populations from reproducing with each other is called reinforcement.When is reinforcement beneficial?
A)when populations would otherwise fuse over time
B)when hybrids have lower fitness than either parent population
C)when prezygotic isolating mechanisms are in place
D)when one population could be overwhelmed by the other
E)reinforcement is beneficial under all of the above conditions

Question

Quizplus · Accepted Answer

Reinforcement is beneficial when hybrids have lower fitness than either parent population, as it strengthens reproductive barriers to prevent the production of less fit hybrids.

Natural Selection for Traits That Keep Distinct Populations from Reproducing