Species Number of Gene Category of Speciess Pan_troglodytes 30 Primates Nomascus_leucogenys 29 Primates Rhinopithecus_roxellana 27 Primates Pan_paniscus 26 Primates Homo_sapiens 26 Primates Chlorocebus_sabaeus 26 Primates Rhinopithecus_bieti 25 Primates Otolemur_garnettii 25 Primates Papio_anubis 25 Primates Cercocebus_atys 25 Primates Callithrix_jacchus 25 Primates Microcebus_murinus 25 Primates Saimiri_boliviensis_boliviensis 24 Primates Cebus_capucinus 24 Primates Macaca_fascicularis 24 Primates Mandrillus_leucophaeus 24 Primates Gorilla_gorilla 24 Primates Aotus_nancymaae 24 Primates Macaca_mulatta 24 Primates Pongo_abelii 23 Primates Macaca_nemestrina 23 Primates Colobus_angolensis_palliatus 21 Primates Carlito_syrichta 21 Primates Propithecus_coquereli 20 Primates Mus_musculus 27 Rodents Mus_caroli 27 Rodents Cricetulus_griseus_chok1gshd 26 Rodents Chinchilla_lanigera 26 Rodents Mus_musculus_casteij 26 Rodents Mus_musculus_lpj 26 Rodents Mus_musculus_wsbeij 26 Rodents Rattus_norvegicus 26 Rodents Peromyscus_maniculatus_bairdii 26 Rodents Microtus_ochrogaster 26 Rodents Cavia_porcellus 25 Rodents Mus_musculus_c3hhej 25 Rodents Mus_musculus_c57bl6nj 25 Rodents Mus_musculus_cbaj 25 Rodents Mus_musculus_dba2j 25 Rodents Mus_musculus_fvbnj 25 Rodents Mus_musculus_nodshiltj 25 Rodents Mus_musculus_nzohlltj 25 Rodents Mus_pahari 25 Rodents Mus_musculus_aj 24 Rodents Mus_musculus_akrj 24 Rodents Mus_musculus_balbcj 24 Rodents Mus_musculus_pwkphj 24 Rodents Oryctolagus_cuniculus 24 Rodents Nannospalax_galili 24 Rodents Mus_spretus 23 Rodents Cricetulus_griseus_crigri 22 Rodents Octodon_degus 22 Rodents Jaculus_jaculus 22 Rodents Mus_musculus_129s1svimj 22 Rodents Fukomys_damarensis 21 Rodents Heterocephalus_glaber_male 21 Rodents Ictidomys_tridecemlineatus 21 Rodents Mesocricetus_auratus 20 Rodents Heterocephalus_glaber_female 20 Rodents Dipodomys_ordii 19 Rodents Ochotona_princeps 11 Rodents Cavia_aperea 7 Rodents Tupaia_belangeri 7 Rodents Bos_taurus 30 Laurasiatheria Equus_asinus_asinus 28 Laurasiatheria Capra_hircus 28 Laurasiatheria Canis_familiaris 27 Laurasiatheria Equus_caballus 27 Laurasiatheria Panthera_pardus 27 Laurasiatheria Sus_scrofa 27 Laurasiatheria Vulpes_vulpes 27 Laurasiatheria Ursus_maritimus 26 Laurasiatheria Felis_catus 25 Laurasiatheria Mustela_putorius_furo 25 Laurasiatheria Ovis_aries 25 Laurasiatheria Panthera_tigris_altaica 25 Laurasiatheria Canis_lupus_dingo 24 Laurasiatheria Tursiops_truncatus 24 Laurasiatheria Ailuropoda_melanoleuca 24 Laurasiatheria Ursus_americanus 23 Laurasiatheria Myotis_lucifugus 23 Laurasiatheria Pteropus_vampyrus 18 Laurasiatheria Sorex_araneus 13 Laurasiatheria Vicugna_pacos 12 Laurasiatheria Erinaceus_europaeus 12 Laurasiatheria Loxodonta_africana 23 Afrotheria Procavia_capensis 15 Afrotheria Echinops_telfairi 13 Afrotheria Dasypus_novemcinctus 20 Xenarthra Choloepus_hoffmanni 8 Xenarthra Pelodiscus_sinensis 28 BirdAndReptiles Gallus_gallus 27 BirdAndReptiles Anolis_carolinensis 25 BirdAndReptiles Chrysemys_picta_bellii 25 BirdAndReptiles Sphenodon_punctatus 25 BirdAndReptiles Taeniopygia_guttata 25 BirdAndReptiles Gopherus_agassizii 24 BirdAndReptiles Ficedula_albicollis 24 BirdAndReptiles Meleagris_gallopavo 24 BirdAndReptiles Anas_platyrhynchos 22 BirdAndReptiles Xenopus_tropicalis 32 Amphibians Acanthochromis_polyacanthus 39 Fish Oryzias_melastigma 37 Fish Pygocentrus_nattereri 37 Fish Gambusia_affinis 37 Fish Danio_rerio 37 Fish Poecilia_formosa 36 Fish Anabas_testudineus 36 Fish Amphiprion_ocellaris 36 Fish Pundamilia_nyererei 36 Fish Amphiprion_percula 36 Fish Poecilia_latipinna 36 Fish Oreochromis_niloticus 36 Fish Maylandia_zebra 36 Fish Seriola_dumerili 35 Fish Poecilia_reticulata 35 Fish Xiphophorus_maculatus 35 Fish Poecilia_mexicana 35 Fish Seriola_lalandi_dorsalis 35 Fish Ictalurus_punctatus 34 Fish Astatotilapia_calliptera 34 Fish Oryzias_latipes_hni 34 Fish Kryptolebias_marmoratus 34 Fish Amphilophus_citrinellus 34 Fish Esox_lucius 34 Fish Cyprinodon_variegatus 34 Fish Mastacembelus_armatus 34 Fish Oryzias_latipes 33 Fish Labrus_bergylta 32 Fish Oryzias_latipes_hsok 32 Fish Fundulus_heteroclitus 32 Fish Mola_mola 32 Fish Periophthalmus_magnuspinnatus 32 Fish Gasterosteus_aculeatus 32 Fish Scleropages_formosus 31 Fish Stegastes_partitus 31 Fish Haplochromis_burtoni 31 Fish Neolamprologus_brichardi 31 Fish Astyanax_mexicanus 31 Fish Lepisosteus_oculatus 31 Fish Takifugu_rubripes 30 Fish Paramormyrops_kingsleyae 29 Fish Cynoglossus_semilaevis 29 Fish Xiphophorus_couchianus 28 Fish Gadus_morhua 27 Fish Hippocampus_comes 27 Fish Scophthalmus_maximus 27 Fish Tetraodon_nigroviridis 26 Fish Monopterus_albus 23 Fish Phascolarctos_cinereus 21 OtherMammals Sarcophilus_harrisii 21 OtherMammals Monodelphis_domestica 19 OtherMammals Ornithorhynchus_anatinus 15 OtherMammals Notamacropus_eugenii 11 OtherMammals Latimeria_chalumnae 29 OtherVertebrates Eptatretus_burgeri 19 OtherVertebrates Petromyzon_marinus 17 OtherVertebrates Ciona_intestinalis 44 OtherChordates Ciona_savignyi 21 OtherChordates Caenorhabditis_elegans 24 OtherEukaryotes Drosophila_melanogaster 23 OtherEukaryotes Saccharomyces_cerevisiae 10 OtherEukaryotes