Multiple Choice
During implantation, the
A) trophoblast erodes a path through the endometrium.
B) inner cell mass begins to form the placenta.
C) maternal blood vessels in the endometrium are walled off from the blastocyst.
D) entire trophoblast becomes syncytial.
E) inner cell mass is temporarily deprived of nutrients.
Correct Answer:

Verified
Correct Answer:
Verified
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