Q.

Statement I : During embryonic development of humans, the inner cell mass differentiates into ectoderm, endoderm and mesoderm and these layers give rise to all tissues (organs) in adults. 
Statement II : The inner cell mass contains stem cells, which have the potency to give rise to all the tissues and organs.  

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a

Both Statement I and Statement II are wrong.  

b

Both Statement I and Statement II are true.

c

Statement I is correct, Statement II is wrong.

d

Statement I is wrong, Statement II is correct.

answer is B.

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Detailed Solution

Both Statement I and Statement II are true.

During embryonic development of humans, the inner cell mass differentiates into ectoderm, endoderm and mesoderm and these layers give rise to all tissues (organs) in adults. 
The inner cell mass contains stem cells, which have the potency to give rise to all the tissues and organs.  

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Statement I : During embryonic development of humans, the inner cell mass differentiates into ectoderm, endoderm and mesoderm and these layers give rise to all tissues (organs) in adults. Statement II : The inner cell mass contains stem cells, which have the potency to give rise to all the tissues and organs.