opal codon

um·ber co·don

the termination codon UGA.
Synonym(s): opal codon
Farlex Partner Medical Dictionary © Farlex 2012

um·ber co·don

(um'bĕr kō'don)
The termination codon UGA.
Synonym(s): opal codon.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

opal codon

one of the three NONSENSE CODONS in the GENETIC CODE, consisting of the mRNA bases UGA.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005