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.
A trio of offspring (O), first parent (P1) and second parent (P2). The variables near the arrows indicate genetic relationships between individuals, while the variables over P1 and P2, and below O, are the individuals’ genetic relationships to themselves, respectively. Sexes are included in the figure but are not used by the GRL method
