In mammals,embryonic cells form an inner cell mass that will become the body of the embryo and a layer of surrounding cells that will become the chorionic membrane and placenta.What are these surrounding cells called?
A)blastocoel
B)yolk
C)blastodisc
D)trophoblast

Question

Quizplus · Accepted Answer

The layer of surrounding cells that will become the chorion and placenta are called the trophoblast.

In Mammals,embryonic Cells Form an Inner Cell Mass That Will