natural mutation


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Related to natural mutation: induced mutation

spon·ta·ne·ous mu·ta·tion

a mutation that arises naturally and not as a result of exposure to mutagens.
Synonym(s): natural mutation
Farlex Partner Medical Dictionary © Farlex 2012

natural mutation

Mutation occurring without artificial external intervention. Natural mutation is thought to be a primary factor in evolutionary change.
See also: mutation
Medical Dictionary, © 2009 Farlex and Partners
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Interestingly, this isolate was antigenically FPLV-type but had a natural mutation of VP2 residue 323 Asp to CPV-specific Asn, supporting previous site-directed mutagenesis studies.
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Genetic stocks are those with induced and natural mutations, cytological (cellular) stocks of genetic oddities, and variations on normal chromosomes, marker genes, and pest-resistant stocks.
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Developing a truly outstanding new variety is a rare event in any garden, home or commercial, but small-scale gardeners have created hybrids or reselections or have chanced on natural mutations that have changed the history of agriculture.
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Because natural mutations over the millennia change DNA sequences, scientists can use these sequences to sort out which animals are most closely related to which.
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Such natural mutations, called 'de novo' mutations, are responsible for the majority of genetic defects.
Genetic screening of unborn babies 'may not be 100 pc accurate'

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