Table 1 Composition of OR genes for each cattle chromosome
Chromosome number | No. of functional genes | No. of pseudogenes (%) | Total | No. of subfamilies | |
|---|---|---|---|---|---|
1 | 14 | 5 | (26) | 19 | 5 |
2 | 0 | 0 | 0 | 0 | |
3 | 51 | 7 | (12) | 58 | 18 |
4 | 33 | 2 | (6) | 35 | 9 |
5 | 72 | 18 | (20) | 90 | 12 |
6 | 0 | 0 | 0 | 0 | |
7 | 140 | 40 | (22) | 180 | 42 |
8 | 26 | 3 | (10) | 29 | 5 |
9 | 3 | 0 | (0) | 3 | 2 |
10 | 70 | 10 | (13) | 80 | 19 |
11 | 38 | 7 | (16) | 45 | 12 |
12 | 0 | 1 | (100) | 1 | 1 |
13 | 1 | 2 | (67) | 3 | 3 |
14 | 1 | 2 | (67) | 3 | 3 |
15 | 251 | 52 | (17) | 303 | 100 |
16 | 3 | 0 | (0) | 3 | 3 |
17 | 0 | 1 | (100) | 1 | 1 |
18 | 3 | 1 | (25) | 4 | 2 |
19 | 23 | 4 | (15) | 27 | 10 |
20 | 0 | 2 | (100) | 2 | 2 |
21 | 0 | 0 | 0 | 0 | |
22 | 0 | 0 | 0 | 0 | |
23 | 68 | 9 | (12) | 77 | 29 |
24 | 2 | 6 | (75) | 8 | 6 |
25 | 6 | 3 | (33) | 9 | 5 |
26 | 4 | 2 | (33) | 6 | 6 |
27 | 0 | 0 | 0 | 0 | |
28 | 10 | 4 | (29) | 14 | 10 |
29 | 56 | 8 | (13) | 64 | 10 |
X | 3 | 1 | (25) | 4 | 4 |
Y | 0 | 0 | 0 | 0 | |
U | 3 | 0 | (0) | 3 | 3 |
Total | 881 | 190 | (18) | 1,071 | |