point mutation
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Related to point mutation: Insertion mutation, Deletion 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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.