Question

List all the changes that occur in the ovum during fertilisation.

Answer 1

The first step in the process of reproduction is the fusion of sperm and ovum. Million of sperm from male are transferred into female body.. sperms swim in oviduct with the help of their tails to reach the egg. When they come in the contact with the egg one of the sperm may fuse with the egg .. Such fusion of sperm and ovum is called fertilization...

Answer 2

Answer:

Hi friend.

Explanation: Changes that occur in fertilization.

1) Intracellular concentration of calcium rises. 2) The second meiotic division gets completed. 3) Completion of the cortical reaction.

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