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.
An example of site frequency spectrum (SFS) data in chimpanzee (Pan troglodytes troglodytes). Data comprising the resequencing of the exome of 12 individuals (n = 24 chromosomes) is redrawn using the data of Ref. 76. Circle size is proportional to counts of polymorphism. Synonymous counts are in gray (upper set of L-shaped dots) and nonsynonymous counts in black (lower set of L-shaped dots).
