The cells around the periphery of a blastocyst form the
A) inner cell mass
B) trophoblast
C) blastocele
D) chorion
E) amnion

Question

Quizplus · Accepted Answer

The cells around the periphery of a blastocyst form the trophoblast, which later develops into the placenta.

Answer A, inner cell mass, is formed by the cells inside the blastocyst.

Answer C, blastocele, is the fluid-filled cavity inside the blastocyst.

Answer D, chorion, is a membrane that forms the outermost layer of the fetal membrane and helps in the formation of the placenta.

Answer E, amnion, is a membrane that surrounds the embryo and forms the amniotic sac.

The Cells Around the Periphery of a Blastocyst Form the