a small group of chemical units, consisting of a sequence of three nucleotides, that codes the incorporation of a specific small group of amino acids into a protein molecule during the synthesis of the protein; codons are present in DNA and RNA
"codon." YourDictionary, n.d. Web. 11 October 2018. <http://www.yourdictionary.com/codon>.
codon. (n.d.). Retrieved October 11th, 2018, from http://www.yourdictionary.com/codon
A sequence of three adjacent nucleotides constituting the genetic code that determines the insertion of a specific amino acid in a polypeptide chain during protein synthesis or the signal to stop protein synthesis.