释义 |
DictionarySeeback mutationreverse mutation
reverse mutation[ri′vərs myü′tā·shən] (genetics) A mutation in a mutant allele which makes it capable of producing the nonmutant phenotype; may actually restore the original deoxyribonucleic acid sequence of the gene or produce a new one which has a similar effect. Also known as back mutation. reverse mutation
back mu·ta·tionreversion of a gene to an ancestral form due to further mutation to the original codon or one coding for the same amino acid. Synonym(s): reverse mutationreverse mutation a genetic change occurring in a MUTANT (2) individual that restores the WILD TYPE phenotype. Such events are far less common than FORWARD MUTATIONS.LegalSeeMutationThesaurusSeemutation |