Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Correspondence analysis showing a global view of the relationship among Amerindian, Na-Dene, Eskimo, Asian, European and Polynesian populations according to HLA-DRB1 allele frequencies in n dimensions (bi-dimensional representation). Grey intensity represents an approximate grouping of populations.
