Figure 7. Model for the origin of HO by domestication of a WHO element.
See Discussion for details. The dashed arrows indicate two possible routes to HO, from ancestral WHO elements that either were, or were not, specifically associated with FBA1.
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.