Which feature characterizes the yolk sac of developing chicks?
A) It is the last of four extraembryonic membranes to form.
B) It is tube-shaped at the top and continuous with the gut of the embryo.
C) Yolk passes through its tube for digestion in the chick's gut.
D) Ectoderm and mesoderm extend to enclose the yolk.
E) It is avascular.

Question

Quizplus · Accepted Answer

The yolk sac in developing chicks is continuous with the gut of the embryo, allowing for the transfer of nutrients.

Which Feature Characterizes the Yolk Sac of Developing Chicks