Figure 8.
Directed network motifs with three genes. 1) chain, 2) collider, 3) fork, 4) triangle.
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.