The outermost extraembryonic membrane that contributes to the formation of the placenta is the
A) allantois
B) amnion
C) chorion
D) yolk sac

Question

Quizplus · Accepted Answer

The chorion is the outermost extraembryonic membrane and is responsible for forming the placenta. The allantois is involved in waste removal, the amnion is responsible for producing amniotic fluid, and the yolk sac is involved in providing nutrients to the embryo.

The Outermost Extraembryonic Membrane That Contributes to the Formation of the Placenta