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.
Experimental design. Each circle represents a different D. melanogaster strain, with 'E' indicating strains from Europe and 'A' strains from Africa. Gray arrows represent hybridizations performed within populations; black arrows represent hybridizations between populations. Arrows facing in opposite directions represent the dye-swap replicates.
