The template strand of a transcribed gene is preferentially repaired because:
a. it allows DNA replication folks move faster.
b.the altered secondary structure of the RNA it produces is likely to be recognized by repair enzymes.
c.it contains specific sequences for binding repair enzymes.
d.damage on the nontemplate strand is less likely to result in mutation.
From the given option, if we need to pick most appropriate then it would be option D. (Similar question in the source material has different options, which are more relevant and appripriate).
The template strand contains genes that will code for enzymes and proteins. Hence this strand is preferentially repaired. The non-template strand is not transcribed, hence mutations are less likely to affect the cell.
Please get back in comments in case the solution isn't clear.
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