Serum Transferrins Of Pongidae: Pan, Pongo, and Hylobates

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Abstract
Transferrin phenotypes of 31 Hylobates lar lar, 3 H. 1. pilea-tus, 29 Pongo pygmaeus. and 15 Pan gorilla were determined by vertical starch-gel electrophoresis and autoradiography. P. gorilla shows a high degree of transferrin polymorphism, 5 phenotypes were found; Pongo shows far less, 3 phenotypes were found; and Hylobates appears to be homozygous at the transferrin locus. There are probably at least 15 phenotypes in Pan gorilla; 15 in Pan troglodytes, and 3 in Pongo. Transferrin polymorphism of Homo sapiens may be transient.