Human Reproduction Question 75
Question: The yolk plug is a structure in gastrula which is formed by the protrusion of
Options:
A) Endodermal cells
B) Endo-mesodermal cells
C) Ectodermal cells
D) Mesodermal cells
Show Answer
Answer:
Correct Answer: A
Solution:
By the end of gastrulation, blastocoel will be reduced.
A yolk plug of endodermal origin closes the blastopore.
BETA
