Author Question: Which of the following hormones, released during pregnancy, help prove that there is competition ... (Read 61 times)

silviawilliams41 · **on:** Jun 22, 2018

Which of the following hormones, released during pregnancy, help prove that there is competition between mother and fetus?

a. Human chorionic gonadotropin (hCG).
b. Human placental lactogen (hPL).
c. Testes determining factor (TDF).
d. Both a & b.

Question 2

In the blue-headed wrasse, a coral fish, a contingency mechanism has evolved such that if the male dies, then:

a. The females will also die.
b. The alpha female will become male.
c. A rival male will take his place.
d. The alpha female will remain female.