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GATC sequence on either side of the mismatch can help in MMR.(a) True(b) FalseI had been asked this question in examination.This key question is from Repair of DNA Damage: MMR, BER topic in section DNA Mutation, DNA Repair, Transposable Elements of Cytogenetics

Answer» RIGHT choice is (a) True

Explanation: Mut H binds to hemimethylated GATC sequences, and such sequences on either side of the mismatch can help in MMR. Although even a GATC 1000BP away can help determine the correct stand to cut, it efficiency reduces with increasing DISTANCE.


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