The pollen, or sperm, from a red maple tree is unable to fertilize the eggs from a sugar maple tree. This is an example of what type of isolating mechanism?
A) mechanical isolation
B) habitat isolation
C) temporal isolation
D) hybrid sterility
E) gamete isolation

Question

Quizplus · Accepted Answer

This is an example of gamete isolation, where the sperm (pollen in plants) from one species cannot fertilize the eggs of another species due to incompatibilities at the gametic level, preventing hybridization.

The Pollen, or Sperm, from a Red Maple Tree Is