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Given below are two statements: One is labelled Assertion(A) and other is labelled Reason(R).
Assertion (A) : Sickle – cell anaemia is caused due to change of one amino acid in β − chain of haemoglobin.
Reason (R) : It occurs due to frameshift mutation.

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

(A) and (R) both are true but (R) is not correct explanation of (A)

(A) is true but (R) is wrong

(A) and (R) both are wrong

answer is C.

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Detailed Solution

Sickle – cell anaemia is caused due to change of one amino acid in β − chain of haemoglobin. It is an example of transversion (point mutation).

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