Mutations in your DNA can be repaired in four major ways:
Mismatch repair: Incorrect bases are found, removed, and replaced with
the correct, complementary base. Most of the time, DNA polymerase,
the enzyme that helps make new DNA, immediately detects mismatched
bases put in by mistake during replication. DNA polymerase can back up
and correct the error without missing a beat. But if a mismatched base
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