Multiple Choice
The chorion ________ and the amnion ________.
A) is the outer protective membrane around the embryo; is the site where an embryo is implanted into the uterus
B) projects into the endometrium and helps form the placenta; is a membrane that encircles a developing embryo
C) is the site from which primary germ layers develop; is the site from which secondary germ layers develop
D) is the part of the blastocyst that is not the inner cell mass; is the inner cell mass
Correct Answer:

Verified
Correct Answer:
Verified
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