Extraembryonic membranes arise from the
A) embryonic disk.
B) blastula.
C) placenta.
D) gastrula.
E) morula.
Correct Answer:
Verified
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Q73: The chorion develops from the
A) trophoblast.
B) blastocyst.
C)
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A) germ cells.
B) lymphatic vessels.
C)
Q75: Although the placenta acts as a filter
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