A scientist tries to mate the two similar-looking fruit flies Drosophila melanogaster and Drosophila simulans. But he finds that they are unable to produce viable offspring. What kind of evolutionary barrier could this be?
Chromosomal
Postzygotic
Physical

Question

A scientist tries to mate the two similar-looking fruit flies Drosophila melanogaster and Drosophila simulans. But he finds that they are unable to produce viable offspring. What kind of evolutionary barrier could this be?
Chromosomal
Postzygotic
Physical

anonymous · Answer

@sarah786

anonymous · Answer

Most appropiate one is B Postzygotic

anonymous · Answer

B postzygotic. they're stating that they can't produce VIABLE offspring, which means they CAN p http://openstudy.com/study#/updates/506c5344e4b060a360fe6c1aroduce offspring, but they don't survive Source: