Question Detail

ZOO 101 Maturation, Reproduction and Sexuality in man Objective Question

Question

What is the role of the trophoblast during implantation?
Options
A It develops into the embryo.
B It forms the yolk sac.
C It secretes hCG to maintain pregnancy and forms the placenta.
Correct Answer
D It becomes the amniotic sac.
Correct Answer

Option C is the correct answer.

Detailed Explanation

The trophoblast, the outer layer of the blastocyst, secretes hCG (human chorionic gonadotropin) to maintain the corpus luteum and will form the placenta.

Hint

This hormone is detected in pregnancy tests.

Question Info