Figure 4
From: Measuring and using admixture to study the genetics of complex diseases
The relationship between percent African ancestry and skin pigmentation in three populations. Percent African Ancestry (obtained using 34 AIMs and calculated by the maximum likelihood (ML) method) and the melanin index (M) are shown for three populations, European Americans from State College, Pennsylvania (diamonds), African Americans from Washington, DC and State College, Pennsylvania (squares) and African Caribbeans from Britain (triangles). (With permission from Shriver et al., 2003 [14])