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.



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