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.
C4 overall copy represents the total copy number of C4A and C4B, C4S represents the total copy number for the short-forms of C4A and C4B, and C4L represents the total copy number for the long-forms of C4A and C4B. AFR = African, AMR = Admixed American, EAS = East Asian, EUR = European, SAS = South Asian.
