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.
Pie charts represent the average admixture from each geographically distinct putative population (Arkansas, Potomac River Basin, Upper Hudson River Basin, Lower Hudson River basin, Philadelphia) as noted in the admixture plot of Fig. 3.
