Question

what happen to the zygote formed after the fertilisation of the ovum? ​

Answer 1

A fertilized egg is called a zygote until it divides into 16 cells, forming a ball-shaped structure called a morula. ... In humans, it takes about four days for a zygote to become a morula and another three days until the embryo attaches itself to the mother's uterine wall.

Answer 2

Zygote undergo development and mitotic division to form embryo.