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The amnion of the mammalian embryo is derived from ectoderm and mesoderm.
(a)True
(b)False

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Important Questions on Human Reproduction
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Write the differences between blastula and morula.

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Given below are statements: one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: Endometrium is necessary for implantation of blastocyst.
Reason R: In the absence of fertilization, the corpus luteum degenerates that causes disintegration of endometrium.
In the light of the above statements, choose the correct answer from the options given below:

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Name the following:
The structure which connects the placenta and the foetus.

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