codon - (the unit of the genetic code that) causes the insertion of a specific amino acid into the polypeptide chain; consists of a triplet of three (adjacent) nucleotides/bases on the DNA/mRNA;, degenerate code - only the first two bases of a codon are important in recognising an amino acid; since there are 64 codons available for 20 amino acids/more codons than amino acids, not all codons/bases are needed;, non overlapping code - one codon follows another through the gene; if the code was overlapping the end bases of one codon would be bases for the next codon;, gene - a sequence of codons on the DNA/mRNA which code for (the assembly of) a specific polypeptide; the sequence of codons (in the gene) governs the amino acid sequence of the polypeptide;, chain termination codon - a codon which marks the end of one gene and the start of the next gene; it releases the manufactured polypeptide into the rough endoplasmic reticulum;,

Genetic code terminology

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