point mutation

(redirected from Base-pair substitution)
Also found in: Dictionary, Thesaurus, Medical.
Related to Base-pair substitution: point mutation

point mutation

[′pȯint myü′tā·shən]
(genetics)
Mutation of a single gene due to addition, loss, replacement, or change of sequence in one or more base pairs of the deoxyribonucleic acid of that gene.