1.

Explain the mechanism of fertilization and implantation of foetus in the uterus.​

Answer»

ANSWER:

During fertilization, the sperm and egg UNITE in one of the fallopian TUBES to form a zygote. Then the zygote travels down the fallopian tube, where it becomes a morula. Once it reaches the uterus, the morula becomes a blastocyst. The blastocyst then BURROWS into the uterine lining — a process called implantation.



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