The current distribution of eastern and western species of redbud (Cercis sp.) is an example of ________.
A) a pre-zygotic barrier leading to reproductive isolation
B) a post-zygotic barrier
C) the impact of mutations
D) sympatric distribution
E) ecological isolation

Question

Quizplus · Accepted Answer

Eastern and western species of redbud are separated by the Mississippi River, which acts as a pre-zygotic barrier to reproduction.

The Current Distribution of Eastern and Western Species of Redbud