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inn [45]
2 years ago
14

Why do rna viruses appear to have higher rates of mutation?.

Biology
1 answer:
Black_prince [1.1K]2 years ago
5 0
The higher per-site mutation rates of RNA viruses can be explained in part by the RNA-dependent RNA polymerases (RdRp) that replicate their genomes. Unlike many DNA polymerases, RdRp do not have proofreading activity and are thus unable to correct mistakes during replication.
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