Species Number of Gene Category of Speciess Pan_troglodytes 2 Primates Macaca_fascicularis 1 Primates Gorilla_gorilla 1 Primates Papio_anubis 1 Primates Chlorocebus_sabaeus 1 Primates Microcebus_murinus 1 Primates Microtus_ochrogaster 4 Rodents Mus_spretus 1 Rodents Cricetulus_griseus_chok1gshd 1 Rodents Cricetulus_griseus_crigri 1 Rodents Dipodomys_ordii 1 Rodents Mus_musculus 1 Rodents Mus_musculus_129s1svimj 1 Rodents Mus_musculus_aj 1 Rodents Mus_musculus_akrj 1 Rodents Mus_musculus_balbcj 1 Rodents Mus_musculus_c3hhej 1 Rodents Mus_musculus_c57bl6nj 1 Rodents Mus_musculus_casteij 1 Rodents Mus_musculus_cbaj 1 Rodents Mus_musculus_dba2j 1 Rodents Mus_musculus_lpj 1 Rodents Mus_musculus_nodshiltj 1 Rodents Mus_musculus_nzohlltj 1 Rodents Mus_musculus_pwkphj 1 Rodents Mus_musculus_wsbeij 1 Rodents Rattus_norvegicus 1 Rodents Peromyscus_maniculatus_bairdii 1 Rodents Nannospalax_galili 1 Rodents Ursus_americanus 1 Laurasiatheria Ursus_maritimus 1 Laurasiatheria Canis_lupus_dingo 1 Laurasiatheria Capra_hircus 1 Laurasiatheria Pteropus_vampyrus 1 Laurasiatheria Ailuropoda_melanoleuca 1 Laurasiatheria Vulpes_vulpes 1 Laurasiatheria Loxodonta_africana 1 Afrotheria Procavia_capensis 1 Afrotheria Choloepus_hoffmanni 1 Xenarthra Anolis_carolinensis 1 BirdAndReptiles Sphenodon_punctatus 1 BirdAndReptiles Taeniopygia_guttata 1 BirdAndReptiles Poecilia_formosa 1 Fish Astyanax_mexicanus 1 Fish Paramormyrops_kingsleyae 1 Fish Poecilia_latipinna 1 Fish Cyprinodon_variegatus 1 Fish Caenorhabditis_elegans 1 OtherEukaryotes Drosophila_melanogaster 1 OtherEukaryotes Saccharomyces_cerevisiae 1 OtherEukaryotes