Question

Meiosis is an essential eventin sexual lifecycle give two reason

Answer 1

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Meiosis is very Essay essential in life cycle of sexually reproducing organisms.

i) It reduces the number of chromosomes to half in the gametes so that the resulting zygote again conserves the number of chromosomes.

ii) Meiosis helps in gamatogenesis as it reduces the number of chromosomes to half.

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Answer 2

Meiosis is an essential event in sexual life cycle of any organism. The following are the reasons :-

• It reduces the number of chromosomes in the gametes to half.
• It helps in maintaining the number of chromosomes constant in organisms.