Multiple Choice
Within a blastocyst, the __________ becomes the embryo proper, and the __________ is involved in anchoring the blastocyst to the uterine lining.
A) inner cell mass; trophoblast
B) chorion; allantois
C) trophoblast; placenta
D) morula; gastrula
Correct Answer:

Verified
Correct Answer:
Verified
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