Along the border of France and Italy, there are two different forms of a grasshopper species that differ by one chromosomal rearrangement.When the two forms interbreed, they produce a good number of offspring, but their offspring have lower survival when they reach adulthood than if the two forms interbreed strictly among themselves.This is an example of
A) low hybrid adult viability.
B) low hybrid zygote viability.
C) habitat isolation
D) gametic isolation.
E) mechanical isolation.

Question

Quizplus · Accepted Answer

This scenario describes low hybrid adult viability, as the offspring of the two different grasshopper forms have lower survival rates when they reach adulthood.

Along the Border of France and Italy, There Are Two