Accessory Table 5. Orthologs predicted with the OPTIC pipeline.

Orphaned genes have no ortholog predicted in any of the other species. These often represent rapidly evolving genes or those in large families whole phylogeny may not have been inferred accurately.

Species	Genes	Transcripts	Genes with orthologs		Orphaned genes
H. sapiens	20,907	46,259	18,485	88%	2,422
M. musculus	22,848	40,052	19,067	83%	3,781
C. familiaris	19,292	25,546	17,436	90%	1,856
M. domestica	19,458	32,544	17,025	87%	2,433
O. anatinus	17,936	26,821	14,879	83%	3,057
G. gallus	16,723	22,181	14,465	86%	2,258
T. guttata	17,475	18,191	15,820	91%	1,655
T. nigroviridis	19,581	23,097	15,371	78%	4,210