Question

what is embryo development

Answer 1

$\large{\red{\underline{\tt{Answer}}}}$

Embryonic development, also embryogenesis, is the process by which the embryo forms and develops. ... Embryonic development starts with the fertilization of the egg cell (ovum) by a sperm cell, (spermatozoon). Once fertilized, the ovum is referred to as a zygote, a single diploid cell.