TABLE 4

Fitness of the early promoter Pe of Sxl

GenotypeFitness
SexsisSxlMaleFemaleComments
Femalesis+/sis+SxlF/SxlFS1Original female
MaleSxlFS/SxlFS1Original male
FemaleSxlF/SxlFSPe1 + jPe active, better female
FemaleSxlFS/SxlFSPe1 + jPe active, better female