Assertion(A): Deletion, insertion, and duplication of a segment of DNA result in alteration in chromosomes.
Reason(R): Alteration in chromosomes results in abnormalities.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic:  Mutation |
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From NCERT
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