frameshift mutation

(redirected from reading-frameshift mutation)
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frameshift mutation

[¦frām‚shift myü′tā·shən]
(genetics)
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.