Question

write difference between spermatogenesis and oogenesis or draw labelled diagram of sperm and ovum
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Answer 1

Spermatogenesis

1. Polar bodies are not formed
2. Polar bodies are not formed There is an equal division.
3. Polar bodies are not formed There is an equal division.There is no yolk in sperms.
4. Polar bodies are not formed There is an equal division.There is no yolk in sperms. A large number of sperm are found by this process.

Oogenesis

1. Polar bodies are formed.
2. There is unequal division.
3. There is unequal division.Eggs contain yolk.
4. There is unequal division.Eggs contain yolk.Fewer numbers of ovum are formed by this process.