BLOOD PROTEIN VARIATIONS IN BABOONS

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Abstract
In central Ethiopia the hamadryas baboon, P. hamadryas and the anubis baboon, P. anubis, have been hybridizing nautrally. Studies were made by using electrophoretic blood protein variations as markers in order to clarify the genetic interrelationships between them. A total of 414 individuals belonging to 7 populations were examined for 35 blood protein loci. Of the 35 loci, 11 showed polymorphism. The Tf locus had the strongest power for discriminating between the anubis and the hamadryas. Most of the populations from which blood samples were collected were more or less hybridized. The Nei''s genetic distance between the 2 spp. was at most 0.0674. As this value was too small for considering these species as real biological species, the natural hybrid zone is fairly wide and still expanding.

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