Question 1
An important role of the hormone oxytocin in reproduction is that it stimulates
◦ meiosis.
◦ ovulation.
◦ implantation of the embryo.
◦ development of the fetal heart.
◦ contraction of uterine muscles during childbirth.
Question 2
At around ___ weeks of fetal life, genes are activated that initiate sexual differentiation.
◦ 9
◦ 12
◦ 15
◦ 21
◦ 25