Yolk plug is a structure in gastrula which is formed by protrusion of

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2.Human Reproduction

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The yolk plug is a structure in gastrula which is formed by the protrusion of

A

Endodermal cells

B

Endo-mesodermal cells

C

Ectodermal cells

D

Mesodermal cells

Solution

(a)By the end of gastrulation, blastocoel will be reduced. A yolk plug of endodermal origin closes the blastopore.

Standard 12

Biology

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