Gastrulation is the process which involves the differentiation of the – McqOptions

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1.	Gastrulation is the process which involves the differentiation of the following layers in a vertebrate embryo [NCERT 1981]
A.	Ectoderm and mesoderm
B.	Ectoderm and endoderm
C.	Endoderm and mesoderm
D.	Ectoderm, endoderm and mesoderm
Answer» E.

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