Answers

2014-05-07T21:40:31+05:30
On mating male gamete fuses with the female gamete to form zygote this is known as fertilization.

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2014-05-08T12:10:57+05:30
When the sperm cells and and egg cells meet each other successfully then the egg is fertilised.

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actually i have written in short , if u want in detail see below