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Primary germ layers are...

Primary germ layers are

A

Trophoblast, ectoderm, mesoderm and endoderm

B

Endoderm, trophoectoderm and trophomesoderm

C

Trophomesoderm and trophoectoderm

D

Ectoderm, mesoderm and endoderm.

Text Solution

Verified by Experts

The correct Answer is:
D
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