The extra-embryonic membrane that forms the fetal portion of the placenta is the
A) yolk sac.
B) amnion.
C) allantois.
D) chorion.
Correct Answer:
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Q33: Which of the following descriptors regarding the
Q34: The ectoderm forms
A)muscle.
B)blood.
C)neural tissues.
D)the lining of the
Q37: During gastrulation,
A)the blastomeres fuse.
B)the placenta penetrates the
Q39: Q40: The mesoderm forms Q41: During gestation,contraction of the myometrium is inhibited Q42: Deoxygenated blood is carried to the placenta Q43: The embryonic heart starts beating as blood Q44: Which of the following is not one Q71: Figure 29-1 Early Human Development
A) muscle.
B) epidermis.
C) the brain.
D)
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