Other helpful Mandarin phrases: While Mandarin has a wealth of generalized insults for the intellectually stunted (Sha gua means retard--literally stupid melon), it really brings the heat with insults that don't sound at all insulting.
frameshift mutation / frame-shift mutation; frameshift. A frameshift mutation is a genetic mutation caused by a deletion or insertion in a DNA sequence that shifts the way the sequence is read. A DNA sequence is a chain of many smaller molecules called nucleotides.
frameshift an altered reading of the GENETIC CODE during TRANSLATION in PROTEIN SYNTHESIS, caused by a change in the nucleotide base sequence of DNA and RNA due to the insertion or deletion of one or more bases (except three bases or multiples of three bases). Fig. 165 shows an example of a DNA base insertion between bases 4' and 5'.