Question

What is a blastocyst ?

A . Cluster of cells surrounding a developing egg in the uterus.
B. Membrane that surrounds and protects a growing embryo in the uterus.
C. Growth that can form in the wall of the Fallopian tubes
D. Hollow ball of cells formed after a fertilized cell undergoes cell division .
I think it’s D or A ??

Answer 1

the correct awnser is D hope that helps 

Answer 2

the correct answer is hollow ball of cells formed after a fertilized cell undergoes cell division.

It is found in the earliest development of mammals and an embryo forms out of it.

The definition of blastocyst
mammalian blastula in which some differentiation of cells has occurred.