GEOGRAPHIC VARIATION IN HUMAN GENES -- 1

Geographic Variation in the Frequency of the B Allele (ABO Blood Antigen Locus)

From W. F. Bodmer and L. L. Cavalli-Sforza. 1976. Genetics, evolution, and man. San Francisco: Freeman.

Geographic Variation in the Frequency of the O Allele (ABO Blood Antigen Locus)

From W. F. Bodmer and L. L. Cavalli-Sforza. 1976. Genetics, evolution, and man. San Francisco: Freeman.