Definitions for "Nonsense mutation"
A mutation that causes the formation of a nonsense codon and the truncation of the protein product.
A mutation in which a codon is changed to a stop codon, resulting in a truncated protein product.
a mutation in which one of the three terminator codons (used to signal the end of a polypeptide) in messenger RNA appears in the middle of a genetic message, causing premature termination of transcription, resulting in the production of generally nonfunctional polypeptides.