Assertion :Pairing and separation of pairs of chromosomes would lead to the segregation of a pair of factors they carried. Reason: Two alleles of a gene pair are located on similar sites on non-homologous chromosomes.

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

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is C Assertion is correct but Reason is incorrect
It is true that chromosomes occur in pairs. These are called homologous chromosomes. They contain genes that are located on homologous sites.
During the process of meiosis, these chromosomes get segregated and get independently assorted.
But the alleles that are not located on nonhomologous chromosomes, they are present only on homologous chromosomes.
So, option C is the correct answer.

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