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Sagot :
The DNA repair systems are specialized systems that are in place to correct every mistake that comes up including the incorporation of incorrect nucleotides during the biological processes like DNA replication and so on.
Cells may require a specialized system in order to repair G-T mismatches specifically because the G-T mismatches are more common and the tendency for cytosine to be converted to thymine is higher than for guanine to be converted to Adenine.
Methylation of cytosine to thymine in the G-C pair is a lot common and this process is required in some biological processes.
This methylation leads to a change to G-T mismatch but this mutation does not remain for long before the thymine is corrected back to cytosine.
Therefore, a specialized system is utilized for this G-T repair, methylation of cytosine to thymine is not essentially a mutation as thymine is converted back to cytosine immediately by this specialized system after the process has taken place.
Learn more: https://brainly.com/question/9393822
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