An official website of the United States government
Here's how you know
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.
Hypothetical evolutionary history of wild barley based on patterns of
sequence variation at adh1 and
“adh3.” Estimates of coalescent time are
indicated. yra, years ago.