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Question

Brain develops from which of the following layer?

A
Ectoderm
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B
Endoderm
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C
Mesoderm
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D
Both A and B
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Solution

The correct option is A Ectoderm
Ectoderm is the outermost layer of the 3 germ layer formed at the end of gastrulation. It derives central nervous system i.e., brain and spinal cord, peripheral nervous system, mammary glands, enamel of teeth etc. Thus, the correct answer is option A.

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