Primordial germ cells can be found in the ________.
A) yolk sac
B) chorion
C) allantois
D) placenta
Correct Answer:
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Q1: Which of the following is a germ
Q2: Which of the following is false concerning
Q4: The union of the sperm and the
Q8: In fetal circulation, most blood is shunted
Q9: The process of morphogenesis in development begins
Q9: Normally,fertilization occurs in the _ and implantation
Q10: Which cells migrate to the gonads,where they
Q15: Which is the temporary vessel that shunts
Q19: Environmental agents that disrupt development of the
Q20: Heart cells in the embryo will be
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