Given below are two statements. One is labelled Assertion (A) and the other is labelled 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 light of the above statements, choose the correct answer from the options given below.

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

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

(A) is true but (R) is false.

Both (A) and (R) are false.

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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