Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): The noncoding DNA sequences in the human genome show high degree of variation among individuals.
Reason (R): Mutations in noncoding DNA sequences may not have any immediate impact in an individual’s reproductive ability.
In the light of the above statements, choose the most appropriate answer from the options given below.

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Both (A) and (R) are correct and (R) is the correct explanation of (A)

Both (A) and (R) are correct but (R) is not the correct explanation of (A)

(A) is correct but (R) is not correct

(A) is not correct but (R) is correct

answer is A.

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Detailed Solution

The likelihood of variations occurring in noncoding DNA sequences is higher because mutations in these sequences may not have any immediate impact on an individual’s reproductive ability. These mutations accumulate over time and contribute to the variability or polymorphism within a population.

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