The process of cell division that divides the cytoplasm of the zygote among blastomeres is called
A) cleavage.
B) implantation.
C) placentation.
D) embryogenesis.
E) blastulation.
Correct Answer:
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Q22: The inner cell mass of the blastocyst
Q23: The endoderm forms
A) muscle.
B) blood.
C) neural tissue.
D)
Q24: _ are nearly identical cells that are
Q25: Ectoderm is to _ as mesoderm is
Q26: The mesoderm and the trophoblast combine to
Q28: During implantation, the
A) trophoblast erodes a path
Q29: Shortly after gastrulation, the body and organs
Q30: A blastocyst is a(n)
A) extraembryonic membrane.
B) solid
Q31: During gastrulation,
A) the blastomeres fuse.
B) the placenta
Q32: The region known as the primitive streak
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