Mutation - Wikipedia
https://en.wikipedia.org/wiki/Mutation
SummaryOverviewCausesClassification of typesMutation ratesDisease causationBeneficial mutationsCompensated pathogenic deviationsIn biology, a mutation is an alteration in the nucleic acid sequence of the genome of an organism, virus, or extrachromosomal DNA. Viral genomes contain either DNA or RNA. Mutations result from errors during DNA or viral replication, mitosis, or meiosis or other types of damage to DNA (such as pyrimidine dimers caused by exposure to ultraviolet radiation), which then may undergo error-prone repair (e…
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