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.
—Y ampliconic genes in great apes. (A) Venn diagram showing gene content comparison among great ape species. (B) Plot of the first two principal components (PCs) of Y ampliconic gene copy numbers across great ape species (the first and second PCs explained 68.7% and 22.8% of the variation, respectively; supplementary figure S5, Supplementary Material online, shows variation explained by the other components).
