terminator codon

terminator codon

[′tər·mə‚nād·ər ′kō‚dän]
(genetics)
A UAA, UAG, or UGA trinucleotide in messenger ribonucleic acid (mRNA) that specifies termination of synthesis of the polypeptide (protein) product of the gene. Also known as stop codon.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.