Patterns of gene flow between negroes and whites in the US.
D000069:Acculturation; D044383:Black People; D003433:Crosses, Genetic; D005260:Female; D005828:Genetics, Population; D006666:History of Medicine; D006801:Humans; D008297:Male; D014481:United States; D044465:White People; D001741:Black or African American