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.
reading frames: in frame mutation. -In-frame mutation is the result of a 3 bp indel where the reading frame is left intact but a single amino acid is added or deleted. -Frameshift mutations that occur in other configurations are out out-of-frame mutations.