Evidence suggesting a partial, internal duplication in the ancestral gene for heme-containing globins.
D000595:Amino Acid Sequence; D003201:Computers; D005815:Genetic Code; D006454:Hemoglobins / Q000032:analysis*; D008962:Models, Theoretical; D009154:Mutation; D009211:Myoglobin / Q000032:analysis*; D011336:Probability
D006454:Hemoglobins; D009211:Myoglobin