The Njinga of Angola: a serogenetic study.

The Njinga, a matrilineal kiMbundu-speaking Negro people of northern Angola, inhabited the coast near Luanda during the sixteenth century, and were driven inland by Portuguese expansion subsequently. There is no evidence from the present sterogenetic study that they have received any appreciable contribution of Caucasoid genes. Nor is there any evidence of San ('Bushman') admixture apart from a moderate frequency of Gm; their genetic profile and their anthroposcopic traits disclose a greater similarity to West African than to Southern African Negroes. The present study confirms previous findings on the ABO, MNSs, Kell, Duffy, erythrocyte acid phosphatase, adenosine deaminase and adenylate kinase systems, and contributes the first account of the peptidase A, B, C and D, first and second locus phosphoglucomutase, glucose-6-phosphate dehydrogenase, esterase D, haptoglobin, transferrin, Gm and Inv systems in the Njinga.