Non-Darwinian evolution.
D000483:Alleles; D000595:Amino Acid Sequence; D000818:Animals; D005075:Biological Evolution; D003580:Cytochromes; D004247:DNA; D005815:Genetic Code; D006454:Hemoglobins; D006801:Humans; D008967:Molecular Biology; D009154:Mutation; D011506:Proteins; D012641:Selection, Genetic
D003580:Cytochromes; D006454:Hemoglobins; D011506:Proteins; D004247:DNA