Four of the Following are Extraembryonic Membranes of the Amniote

Question

Four of the following are extraembryonic membranes of the amniote egg.Which one is the exception?  
A) Albumen
B) Amnion
C) Chorion
D) Allantois
E) Yolk sac

Accepted Answer

Albumen is not an extraembryonic membrane of the amniote egg. It is also known as egg white and is a source of protein for the developing embryo. The four extraembryonic membranes of the amniote egg are: Amnion, Chorion, Allantois, and Yolk sac.