Orthology established by Gates et al., 1999 (248 genes)

Orthology for pou6f1 ( Chr: 23 )

Orthology for prim1 ( Chr: 23 )

Orthology for prph ( Chr: 11 )

Orthology for ptch2 ( Chr: 2 )

Orthology for raf1a ( Chr: 23 )

Orthology for rag1 ( Chr: 25 )

Orthology for raraa ( Chr: 12 )

Orthology for rarab ( Chr: 3 )

Orthology for rarga ( Chr: 23 )

Orthology for ret ( Chr: 13 )

Orthology for rho ( Chr: 8 )