Assertion: Meiosis brings about genetic variations in the populations of sexually reproducing organisms.
Reason: During meiosis I the homologous chromosomes exchange genetic material and the movement for separation of homologous chromosomes of one bivalent is independent of another one.

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Assertion is correct and reason is incorrect.

Both assertion and reason are correct and the reason does not explain the assertion.

Both assertion and reason are correct and the reason does correctly explain the assertion.

Both assertion and reason are incorrect.

answer is D.

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Detailed Solution

During meiosis I the homologous chromosomes exchange genetic material and the movement for separation of homologous chromosomes of one bivalent is independent of another one. This brings about genetic variations in the populations of sexually reproducing organisms.

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