Question

Write down in brief about fertilisation .

Answer 1

Explanation:

• Fertilization is the fusion of haploid gametes, egg and sperm, to form the diploid zygote. Note though there can be subtle differences in the fertilization process which occurs naturally within the body or through reproductive technologies outside the body, the overall product in both cases is a diplod zygote

Answer 2

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★ Fertilisation

It refers to the fusion of gametes .

It is also known as Syngamy .

Fertilisation is possible in sexual mode of reproduction .

➡ It can be subdivided into two types :

1. Internal fertilisation - In which fertilisation takes place inside the organism .
2. External fertilisation - In which fertilisation takes place outside the body of an organism .