Assertion :The probability of DNA polymorphism would be higher in non-coding DNA sequences. Reason: Mutations in these sequences may not have any immediate effect in an individual's reproductive ability.

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
Assertion correct, reason correct and reason is correct explanation : because mutation in non coding sequence will not express itself it goes on accumulating and therefore result into DNA polymorphism. If mutation occurs which is not viable for organism then it will not be transferred to its progeny and will not cause any polymorphism.
So, the correct option is option A.

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