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.
In this figure, the user has chosen to view the details of a block for which no primer could be found by the program. The phylogram indicates that sequence homology falls into distinct clades along this block. The user can select which sequences to include in the next attempt to generate primers by selecting ‘Re-design Primers’.
