Orthology established by Kim et al., 2014 (7 genes)

Orthology for gal ( Chr: 25 )
Orthology for galr1a ( Chr: 19 )
Orthology for galr1b ( Chr: 7 )
Orthology for galr2a ( Chr: 12 )
Orthology for galr2b ( Chr: 3 )
Orthology for kiss1 ( Chr: 11 )
Orthology for spx ( Chr: 4 )