How can reproductive barriers form between sympatric populations while their members stay in contact with them?
A)increased gene flow
B)increased polyploidy
C)decreased habitat differentiation
D)decreased sexual selection

Question

Quizplus · Accepted Answer

Polyploidy, or the duplication of entire sets of chromosomes, can occur in a single generation and create a reproductive barrier between the original population and the new population with the duplicated chromosomes. This can occur even if the populations remain in contact with each other in the same habitat.

How Can Reproductive Barriers Form Between Sympatric Populations While Their