The tissues of the gonads are indifferent until the production of
A) estrogen.
B) progesterone.
C) semen.
D) testosterone.
Correct Answer:
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Q56: At the placenta,
A)oxygen enters the fetal circulation.
B)nutrients
Q57: During the eighth week
A)all organ systems have
Q58: The umbilical vein carries
A)waste and carbon dioxide
Q59: If the neural tube does not close
Q60: During the fifth through seventh months,
A)the sex
Q62: What is cryptorchidism?
A)Failure of ovary development
B)Vagina does
Q63: Placental peptide hormones cause maternal
A)increase in blood
Q64: Darkening of the areolae and other areas
Q65: Placental estrogen reduces uterine motility during pregnancy.
Q66: Which of the following is NOT an
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