An official website of the United States government
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.
Image Number D5050-1 |
In a lab, ARS plant geneticist David Fang conducts DNA marker analysis.
Photo by Ping Li.
Please visit our Image Gallery.
