Fig. 2
From: Evolutionary origin and functional divergence of totipotent cell homeobox genes in eutherian mammals
Additional duplication of Tprx and Leutx. a Maximum likelihood phylogenetic tree of duplicate horse and bat Tprx loci rooted with ferret and dog Tprx genes. b Maximum likelihood phylogenetic tree of duplicate guinea pig, elephant and hyrax Leutx genes with a range of other mammalian Leutx genes. c Genomic organisation of duplicated horse Tprx loci, the majority of which are pseudogenes. d Genomic organisation of duplicated guinea pig Leutx loci