Assertion :Statement 1: The physical distance between two genes determines both the strength of linkage and frequency of crossing over between two genes. Reason: Statement 2 : One cross-over reduces the occurrence of another cross-over in its vicinity.

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 A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Crossing over is defined as the exchange of genetic material between non-sister chromatids of homologous chromosomes during meiosis, which results in new allelic combinations in the daughter cells.

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