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Question

The fertilised egg in human beings gets implanted in uterus ________.

A
after one month of fertilisation
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B
after two months of fertilisation
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C
after about 7 days of fertilisation
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D
after 3 weeks of fertilisation
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Solution

The correct option is C after about 7 days of fertilisation
The fertilised egg (zygote) starts to move from the fallopian tube towards the uterus as it begins to divide.

The mitotic divisions of the fertilised egg are called cleavage and the zygote develops into a multicellular structure, blastocyst.

The blastocyst gets implanted in the endometrium of the uterus usually during the 6 or 7th day after fertilisation.

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