Rate of change of concomitantly variable codons.
D000595:Amino Acid Sequence; D000818:Animals; D005075:Biological Evolution; D003062:Codon; D003574:Cytochrome c Group / Q000096:biosynthesis*; D014644:Genetic Variation; D006801:Humans; D009154:Mutation; D012333:RNA, Messenger
D003062:Codon; D003574:Cytochrome c Group; D012333:RNA, Messenger