Question

What is the cell division that occurs in the earliest stages of zygote development called?.

Answer 1

blastomere - 2 celled stage

Step-by-step explanation:

After fertilization, the development of a multicellular organism proceeds by a process called cleavage, a series of mitotic divisions whereby the enormous volume of egg cytoplasm is divided into numerous smaller, nucleated cells. These cleavage-stage cells are called blastomeres.