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.
The significance of each branch is indicated by a bootstrap value calculated for 1000 subsets. Scalebar, 2 nt substitution per 100 nt.
