Table 2.
Detailed Chromosome-Wise Information on Different Parameters of the Horse RH and Comparative Maps
| Horse chr. | Size (Mbp) | Size (cR) | No. of RH groups | Loci typed in the RH panel | FISH loci included (TypeI + TypeII) | Loci used for horse, human and mouse genome comparison | |||||||
| type I | type II | total | total | this study | anchor loci | ||||||||
| ECA1 | 204 | 958.8 | 10 | 15 | 48 | 63 | 45 | 19 | 26 | 30 | |||
| ECA2 | 135 | 796.7 | 4 | 12 | 23 | 35 | 23 | — | 11 | 23 | |||
| ECA3 | 132 | 724.4 | 3 | 15 | 14 | 29 | 21 | — | 11 | 24 | |||
| ECA4 | 120 | 658.6 | 6 | 10 | 24 | 34 | 15 | 1 | 10 | 14 | |||
| ECA5 | 111 | 591.5 | 3 | 14 | 11 | 25 | 19 | — | 7 | 25 | |||
| ECA6 | 108 | 595.2 | 2 | 11 | 12 | 23 | 8 | 1 | 4 | 15 | |||
| ECA7 | 105 | 550.8 | 3 | 8 | 16 | 24 | 26 | 1 | 8 | 26 | |||
| ECA8 | 105 | 774.2 | 3 | 12 | 14 | 26 | 18 | 1 | 6 | 20 | |||
| ECA9 | 99 | 530.6 | 3 | 8 | 14 | 22 | 11 | — | 3 | 14 | |||
| ECA10 | 96 | 672.4 | 5 | 9 | 24 | 33 | 26 | 12 | 21 | 13 | |||
| ECA11 | 72 | 650.2 | 5 | 20 | 14 | 34 | 26 | 2 | 17 | 28 | |||
| ECA12 | 63 | 276.7 | 2 | 4 | 10 | 14 | 6 | — | 3 | 5 | |||
| ECA13 | 60 | 144.4 | 4 | 4 | 9 | 13 | 10 | — | 5 | 8 | |||
| ECA14 | 120 | 323.1 | 4 | 10 | 12 | 22 | 21 | 12 | 14 | 16 | |||
| ECA15 | 111 | 290.7 | 4 | 4 | 18 | 22 | 19 | 1 | 8 | 13 | |||
| ECA16 | 108 | 668.0 | 4 | 12 | 20 | 32 | 26 | 2 | 13 | 24 | |||
| ECA17 | 102 | 293.0 | 3 | 6 | 14 | 20 | 10 | 5 | 7 | 9 | |||
| ECA18 | 102 | 445.1 | 3 | 10 | 14 | 24 | 12 | 1 | 8 | 13 | |||
| ECA19 | 96 | 410.2 | 3 | 4 | 22 | 26 | 11 | — | 6 | 8 | |||
| ECA20 | 87 | 408.7 | 3 | 8 | 17 | 25 | 17 | 1 | 5 | 19 | |||
| ECA21 | 81 | 306.8 | 3 | 7 | 11 | 18 | 11 | 5 | 8 | 9 | |||
| ECA22 | 72 | 536.0 | 3 | 7 | 14 | 21 | 9 | 1 | 6 | 9 | |||
| ECA23 | 69 | 293.5 | 3 | 7 | 13 | 20 | 11 | 1 | 7 | 11 | |||
| ECA24 | 63 | 550.7 | 2 | 5 | 14 | 19 | 9 | 1 | 6 | 8 | |||
| ECA25 | 60 | 206.5 | 2 | 3 | 7 | 10 | 5 | — | 1 | 7 | |||
| ECA26 | 63 | 102.9 | 1 | 1 | 7 | 8 | 8 | — | 3 | 6 | |||
| ECA27 | 57 | 168.6 | 1 | 1 | 7 | 8 | 2 | — | 2 | 1 | |||
| ECA28 | 54 | 175.8 | 1 | 3 | 3 | 6 | 8 | — | 3 | 8 | |||
| ECA29 | 51 | 278.0 | 1 | 4 | 7 | 11 | 3 | 1 | 2 | 5 | |||
| ECA30 | 48 | 279.0 | 2 | 1 | 9 | 10 | 2 | — | 1 | 2 | |||
| ECA31 | 45 | 172.8 | 1 | 3 | 7 | 10 | 6 | — | 4 | 5 | |||
| ECAX | 153 | 753.2 | 4 | 20 | 23 | 43 | 26 | 1 | 17 | 27 | |||
| Total | 2952 | 14587.1 | 101 | 258 | 472 | 730 | 470 | 69 | 253 | 447 | |||
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The size of individual chromosomes in megabasepairs (Mbp) is deduced from the relative length of the chromosomes (ISCNH 1997) and presuming a genome size of 3000 Mbp. Anchor loci represent cytogenetically mapped type I or type II markers that align RH groups to chromosomes. Total number of loci used for horse-human-mouse genome-wide comparison includes all type I loci mapped by RH analysis and FISH (see text).
