The cells of a blastocyst that help form the chorion constitute the
A)blastomere.
B)inner cell mass.
C)trophoblast.
D)zona pellucida.

Question

The cells of a blastocyst that help form the chorion constitute the
A)blastomere.
B)inner cell mass.
C)trophoblast.
D)zona pellucida.

Quizplus · Accepted Answer

The cells that help form the chorion are called the trophoblast. The blastomeres are the individual cells formed from cleavage divisions, the inner cell mass makes up the embryo, and the zona pellucida is a protective layer surrounding the blastocyst.

The Cells of a Blastocyst That Help Form the Chorion Constitute