title: Is the fixation of observable mutations distributed randomly among the three nucleotide positions of the codon?
mesh_terms: D000595:Amino Acid Sequence; D000596:Amino Acids / Q000032:analysis; D000818:Animals; D001483:Base Sequence; D005075:Biological Evolution; D003062:Codon; D003574:Cytochrome c Group; D006801:Humans; D009154:Mutation; D010802:Phylogeny; D014176:Protein Biosynthesis; D012333:RNA, Messenger; D014158:Transcription, Genetic
chemical_list: D000596:Amino Acids; D003062:Codon; D003574:Cytochrome c Group; D012333:RNA, Messenger