Attachment of the blastocyst to the uterine wall is known as
A
Implantation
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B
Cleavage
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C
Gastrulation
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D
Parturition
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Solution
The correct option is A Implantation Implantation is the attachment of the blastocyst to the uterine wall. It occurs after 7 days of fertilization. The portion of the blastocyst where the inner cell mass is located lies against the endometrium of the uterus.