Figure 1.
Evolution by gene duplication. Nodes N1, N2, N3 represent speciation events resulting in orthologs. Filled circles (●) mark gene duplication events resulting in paralogs.
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.