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Electrophoretic patterns of blood proteins were compared among groups of Arvicanthis niloticus from widely distant origin: Senegal, Haute-Volta, Egypt. Four blood proteins/enzymes were studied: albumin, transferrin, esterase and 6-phosphogluconate dehydrogenase. The results demonstrate two levels of difference: (a) inter-population differences; and (b) intra-species genetic polymorphism. The latter was not observed for all populations nor for all loci. The differences between populations suggest that some process of specification could be under way among Arvicanthis. |
