Projection of 1129 individuals from 11 populations of the HapMap Project, Phase III, and the Brazilian population on their (a) first and second, and (b) first, second, and third axes of variation obtained from PCA, which used 365 116 SNPs. ASW, African ancestry in Southwest; CEU, Utah residents with Northern and Western European ancestry from the CEPH collection; CHB, Han Chinese in Beijing; China, CHD, Chinese in Metropolitan Denver, Colorado; GIH, Gujarati Indians in Houston, Texas; JPT, Japanese in Tokyo, Japan; LWK, Luhya in Webuye, Kenya; MEX, Mexican ancestry in Los Angeles, California; MKK, Masai in Kinyawa, Kenya; TSI, Tuscans in Italy; YRI, Yoruba in Ibadan, Nigeria; and BRZ, Brazilians in São Paulo, Brazil.