The ________ is the site of early blood cell formation.
A) trophoblast
B) blastocoele
C) amnion
D) allantois
E) yolk sac
Correct Answer:
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Q25: The inner cavity of the blastocyst is
Q26: In the early blastocyst, the placenta will
Q27: The _ is a hollow ball of
Q28: The cavity separating the inner cell mass
Q29: The process termed _ begins when the
Q31: The first of the extraembryonic membranes to
Q32: Formation of the germ layers results from
Q33: The germ layer of the embryo that
Q34: Collectively, the yolk sac, chorion, amnion, and
Q35: Neural crest cells give rise to _.
A)
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