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In human female the blastocyst:-...

In human female the blastocyst:-

A

Gets implanted in endometrium by trophoblast cells

B

Forms placenta even before implanation

C

Gets implanted into uterus 3 days after ovulation

D

Gets nutrition from uterine endometrial secretion only after implanation.

Text Solution

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The correct Answer is:
A
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