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Question

Where does fertilisation occur in humans?


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Solution

Fertilization:

  1. Fertilization takes occurs in the fallopian tubes, where the sperm cell and the egg cell unite and produce a zygote (diploid).
  2. The zygote will proceed down the fallopian tube and into the uterine lining, which is known as implantation, and the zygote implantation is known as a blastocyst.
  3. When sperm and ovum come into contact, a change in the ovum's membrane (zona pellucida) occurs, which prevents subsequent sperms from entering.
  4. It's critical that only one sperm joins the ovum.

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