| http://www.w3.org/ns/prov#value | - Around a dozen or so minor variations exist.9 These variations are mostly codes in which one or more genetic codons have altered their amino acid ???meanings.??? Some involve a more significant change ??? the addition of a 21st or 22nd amino acid.10 Everything indicates that these genetic codes evolved from the standard genetic code during the past few hundred million years, and continues to evolv
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