amber mutation


Also found in: Medical.

amber mutation

[′am·bər myü′tā·shən]
(genetics)
Alteration of a codon to UAG, one of the three codons that result in premature polypeptide chain termination in all living organism.
References in periodicals archive ?
If the translation molecules corrected the amber mutation with a natural amino acid, the bacteria would make barnase and die.