frameshift mutation(redirected from Frame shift mutation)
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frameshift mutation[¦frām‚shift myü′tā·shən]
The addition or deletion of nucleotides to anexon in numbers other than three, which shifts the translation reading frame so a new set of codons beyond the point of abnormality in the messenger ribonucleic acid is read. Also known as phase-shift mutation.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.