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.
Bootstrapped UPGMA clustering on the example data set. The tree is shown with the internal nodes colored by bootstrap support (red: 75-100%, yellow: 50-75%, green: 25-50% and blue: < 25%). Although this visualization is popular in the literature, we generally recommend alternatives such as PCoA.
