Once the sperm has fertilized the ovum, the nuclei of both gametes are fused, and the 23 chromosomes of each gamete fuse into a single nucleus, giving rise to a single cell of 46 chromosomes: the zygote.
Read the full article on: Cygote, Embryo and Fetus: What Are the Differences? ( 107).
By Babygest Staff
Last Update: 10/25/2019
