DNA Sequencing, Mutation and Repair
Due to which of the following DNA repair mechanisms, one is able to distinguish newly synthesized DNA strands from older one?

Old strands are methylated while new strands are not
New strands are methylated while old strands are not
New strands do not contain cytosine bases
New strands are lower in molecular size

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DNA Sequencing, Mutation and Repair
The whole-genome shotgun sequencing approach depends primarily on

methodical sequencing a few large cloned fragments of DNA
All of these
sequencing the bacterial chromosome while it is still intact
rapidly sequencing thousands of small randomly cloned fragments

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