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

Question

Quizplus · Accepted Answer

The layer of surrounding cells is called trophoblast. Option A is incorrect as blastocoel refers to the fluid-filled cavity within the blastula stage of embryonic development. Option B is incorrect as yolk is not present in all mammals and is not a layer of cells. Option C is incorrect as blastodisc is a term used for avian embryos, not mammals.

In Mammals,the Embryonic Cells Form an Inner Cell Mass That