Question

Assertion(A) : sexual reproduction increases genetic diversities and plays a role in origin of new species.

Reason(R) : sexual reproduction involves formation of gamets and fusion of gametes.

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Answer 1

your Assertion and Reason both are correct but Reason is not appropriate for the statement

Answer 2

Both the Assertion and the Reason are true and the Reason is the correct explanation for the Assertion.

Explanation:

• During Sexual reproduction, the sperm cell fuses with egg cell and results in the formation of zygote.

• Zygote undergoes further division and forms embryo.

• From the embryo, the young one develops.

• Meiosis a reduction cell division which takes places in the reproductive cells (Sperms , eggs).

• In this division, the diploid number of chromosomes is reduced to haploid number of chromosomes.

• At the end of meiosis, four haploid daughter cells are formed.

• During a stage of Meiosis I, genetic variations are produced.

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