Orthology established by Langenau et al., 2002 (8 genes)

Orthology for btaf1 ( Chr: 13 )
Orthology for etf1b ( Chr: 10 )
Orthology for npm1a ( Chr: 10 )
Orthology for tlx1 ( Chr: 13 )
Orthology for tlx2 ( Chr: 14 )
Orthology for tlx3b ( Chr: 10 )