. Author manuscript; available in PMC: 2011 Oct 5.

Published in final edited form as: Nature. 2010 Apr 1;464(7289):757–762. doi: 10.1038/nature08819

Accessory Table 6. Strict 1:1 orthologs across eight species.

Each set contains exactly one gene of each species.

Species	(1:1)n ortholog sets	Species	(1:1)n ortholog sets
Human	20,907	100% Zebrafinch	17,475	100%
+Mouse	15,272	73% +Chicken	10,868	62%
+Dog	14,229	68% +Platypus	8,024	46%
+Opossum	12,411	59% +Opossum	7,238	41%
+Platypus	9,508	45% +Dog	6,850	39%
+Chicken	7,884	38% +Mouse	6,615	38%
+Zebrafinch	5,262	25% +Human	6,474	37%
+Tetraodon	4,344	21% +Tetraodon	4,344	25%