What Do Hybridization Studies on Drosophila Melanogaster Tell Us About

Multiple Choice

What do hybridization studies on Drosophila melanogaster tell us about how long it takes reproductive barriers to lead to new fly species?

A) It takes a long time for these flies to become isolated enough to be considered a new species.
B) Postzygotic isolation often evolves faster than prezygotic isolation in flies.
C) It takes a short time for these flies to become isolated enough to be considered a new species.
D) a and b
E) b and c