Table 1.
Orthologous clusters between dog and human and their respective number of genes
| CFA | Number of OR sequences in the canine cluster | Localization of the human orthologous clusters* | Number of OR genes in the human cluster |
| 1 | 3 | ND | |
| 3 | 3 | ND | |
| 5 | 32 | HSA11q25: @142.4 | 47 |
| 6 | 3 | ND | |
| 2 | HSA16p13.13: @4.5 | 4 | |
| 8 | 12 | HSA14p12-p13: @17.6 | 37 |
| 9 | 9 | HSA17p13.3: @3.3 | 19 |
| 3 | HSA9q34.2: @135.9 | 14 | |
| 10 | 3 | ND | |
| 2 | ND | ||
| 11 | 3 | HSA5: @194.8 and @198.7 | 5 |
| 6 | HSA9p11.1: @39.9 | 8 | |
| 9 | HSA9q33.1: @116.3 | 13 | |
| @123.1 | 2 | ||
| 14 | 31 | HSA1: @286.5 | 49 |
| 15 | 16 | HSA14p12-p13: @17.6 | 37 |
| 4 | ND | ||
| 16 | 18 | HSA7: @155.9 | 22 |
| 18 | 124 | HSA11q11->q13: | 5 |
| @52.3 | 13 | ||
| @58.9 | 8 | ||
| @61.7 | 105 | ||
| @64.1 | 28 | ||
| @65.6 | 15 | ||
| 20 | 21 | HSA19p13.13: @12.1 | 14 |
| 44 | HSA19p13.1: @19.8 | 14 | |
| 21 | 109 | HSA11p15.1: @5.1 | 115 |
| 25 | 8 | HSA2: @251.1 | 3 |
| 27 | 12 | HSA12q13.2: @54.9 | 7 |
| 5 | HSA12q14.2: @63.1 | 8 | |
| 28 | 3 | HSA10q22.2: @48.1 | 3 |
| 30 | 16 | ND | |
| 33 | 7 | HSA3p11.2: @108.7 | 11 |
| 35 | 9 | HSA6p21.1: @31.6 | 8 |
| @32.9 | 25 | ||
| HSA6p21.2 | 2 | ||
| 38 | 15 | HSA1q25.3: @188 | 31 |
| Chr X | 3 | ND | |
| RH 1 | 2 | ND | |
| RH 2 | 2 | ND | |
| RH 3 | 11 | ND |
*The localization of the human ortholog of each canine cluster is indicated according to the usual chromosomal nomenclature and by the megabase coordinates of the HORDE39 version [20]. ND, not detected.