A Human Zygote Undergoes Its First Cell Division

Question

A human zygote undergoes its first cell division
A)5 seconds after fertilization.
B)30 minutes after fertilization.
C)90 minutes after fertilization.
D)4 hours after fertilization.
E)24 hours after fertilization.

Accepted Answer

A human zygote typically undergoes its first cell division about 24 hours after fertilization. This is a critical step in the early stages of embryonic development.