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Codons

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Codon

(Science: molecular biology) The coding unit of dna that specifies the function of the corresponding messenger rna.

a triplet of bases recognised by anticodons on transfer rna and hence specifying an amino acid to be incorporated into a protein sequence. The code is degenerate, i.e. Each amino acid has more than one codon. The stop codon determines the end of a polypeptide.