frame-shift mutation

https://doi.org/10.1351/goldbook.F02509
A point @M04074@ involving either the deletion or @I03058@ of a @N04255@ in a @G02604@. By the frame-shift @M04074@, the normal @R05189@ frame used when decoding the nucleotide triplets in the gene is altered to another @R05189@ frame.
Source:
PAC, 1992, 64, 143. (Glossary for chemists of terms used in biotechnology (IUPAC Recommendations 1992)) on page 154 [Terms] [Paper]