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Question

At the time of implantation, the human embryo is called:


A

embryo

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B

blastocyst

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C

zygote

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D

foetus

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Solution

The correct option is B

blastocyst


The embryo with about 64 cells is termed as ' blastocyst'. The process of attachment of blastocyst with the uterine wall of the mother is called implantation. It occurs after 7 days of fertilisation.


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