title: Caucasian genes in American Negroes.
mesh_terms: D000349:Africa; D001741:Black or African American; D000483:Alleles; D044383:Black People; D001789:Blood Group Antigens; D005787:Gene Frequency; D005838:Genotype; D006801:Humans; D006824:Hybridization, Genetic; D009656:North America; D010641:Phenotype; D012641:Selection, Genetic; D014481:United States; D044465:White People
chemical_list: D001789:Blood Group Antigens