1. The initial reproductive structures of the male and female embryos appear the same until which

week of gestation?

a. Third

b. Seventh

c. Twentieth

d. Thirtieth

 2. The absence of which major hormone is a determinant of sexual differentiation (Wolffian system) in

utero?

 a. Estrogen

b. Progesterone

 c. Growth hormone

d. Testosterone

 3. Which gland produces the associated hormones that are found in high levels in a female fetus?

 a. Posterior pituitary excretes gonadotropin-releas...