A zygote fails to undergo mitosis because of a mismatch in the number of chromosomes. This is an example of
A) hybrid sterility.
B) zygote mortality.
C) prezygotic isolation.
D) temporal isolation.
E) allopatric speciation.

Question

Quizplus · Accepted Answer

Zygote mortality occurs when a zygote is formed but fails to develop properly, often due to genetic incompatibilities such as a mismatch in the number of chromosomes. This prevents the zygote from undergoing normal mitosis and development.

A Zygote Fails to Undergo Mitosis Because of a Mismatch