Whether a geographic barrier can block gene flow depends on an organism's
A)means of travel.
B)means of gamete dispersalspeed of travel.
C)inclination to disperse.
D)range of travel.
E)A and B are both correct.

Question

Quizplus · Accepted Answer

Both A and B are correct because the means of travel and gamete dispersal determine the ability of an organism to cross a geographic barrier. The speed, range, and inclination to disperse also play a role, but they are not the only factors determining whether a barrier can block gene flow.

Whether a Geographic Barrier Can Block Gene Flow Depends on an Organism's