T31 Anchor Map Statistics by Chromosome
| Chromosome | No. of markers | Genetic length (cM)[i] | RH map length (cR) | cR/cM | Retention |
| 1 | 21 | 110.4 | 1939.7 | 17.6 | 0.260 |
| 2 | 14 | 91.8 | 1352.7 | 14.7 | 0.221 |
| 3 | 13 | 66.7 | 1543.2 | 23.1 | 0.266 |
| 4 | 13 | 82.0 | 2629.7 | 32.0 | 0.224 |
| 5 | 10 | 82.0 | 843.2 | 10.3 | 0.273 |
| 6 | 15 | 66.7 | 1288.5 | 19.3 | 0.257 |
| 7 | 10 | 62.3 | 873 | 14.0 | 0.258 |
| 8 | 13 | 74.3 | 1004.8 | 13.5 | 0.304 |
| 9 | 11 | 69.9 | 680.2 | 9.7 | 0.311 |
| 10 | 13 | 69.9 | 809.6 | 11.6 | 0.285 |
| 11 | 15 | 83.1 | 2582.1 | 31.1 | 0.331 |
| 12 | 10 | 57.9 | 482.7 | 8.3 | 0.302 |
| 13 | 12 | 59.0 | 753.7 | 12.8 | 0.266 |
| 14 | 11 | 69.9 | 838.2 | 12.0 | 0.240 |
| 15 | 16 | 65.6 | 1155.6 | 17.6 | 0.268 |
| 16 | 13 | 51.4 | 1014.5 | 19.7 | 0.302 |
| 17 | 26 | 47.0 | 1177.6 | 25.0 | 0.289 |
| 18 | 10 | 37.2 | 762.2 | 20.5 | 0.267 |
| 19 | 10 | 57.9 | 825.9 | 14.3 | 0.364 |
| Χ | 15 | 57.9 | 1681.5 | 29.04 | 0.230 |
| Total | 271 | 1362.9 | 24238.6 | ||
| Average | 14 | 68.145 | 1211.9 | 17.8 | 0.276 |
[i] Genetic length of region spanned by the markers screened on the RH map (Whitehead Institute/MIT Center for Genome Research).