Definition of point mutation
: a gene mutation involving the substitution, addition, or deletion of a single nucleotide base
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Recent Examples of point mutation from the Web
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This flaw is especially problematic because tens of thousands of genetic diseases are results of such point mutations.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'point mutation.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of point mutation
1925
Medical Dictionary
point mutation
medical Definition of point mutation
: a gene mutation involving the substitution, addition, or deletion of a single nucleotide base
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