A High-Density Integrated Genetic Linkage and Radiation Hybrid Map of the Laboratory Rat

Table 1.

A Comparison of the Genetic Lengths of Various Maps

Chrom. Genetic length (avg.) Percent of genome Observed no. of markers (union) Expected no. of markers s.d. Z-score SHR × BN Integrated map Integrated map
genetic map physical map
1 141.4 9.4 10.0 483 432 20.8 2.4 151.0 173.6 181.9
2 110.6 7.4 8.9 379 385 19.6 −0.3 157.0 133.8 144.8
3 94.0 6.3 6.8 280 294 17.1 −0.8 104.0 103.9 147.0
4 104.2 6.9 6.6 282 285 16.9 −0.2 105.0 102.3 154.4
5 97.6 6.5 6.5 249 281 16.8 −1.9 116.0 100.4 118.2
6 72.8 4.8 5.6 221 242 15.6 −1.4 76.0 77.7 83.7
7 79.1 5.3 5.0 228 216 14.7 0.8 75.0 103.2 124.6
8 83.8 5.6 4.7 227 203 14.3 1.7 97.0 86.5 112.9
9 78.9 5.3 4.5 193 195 13.9 −0.1 41.0 79.3 85.0
10 92.9 6.2 4.3 262 186 13.6 5.6 94.0 98.9 62.1
11 49.2 3.3 3.7 110 160 12.6 −3.9 50.0 59.0 62.0
12 43.1 2.9 2.5 112 108 10.4 0.4 54.0 47.8 55.7
13 45.9 3.1 3.9 193 169 13.0 1.9 56.0 51.9 68.7
14 68.8 4.6 3.9 143 169 13.0 −2.0 43.0 55.2 79.7
15 68.8 4.6 3.7 166 160 12.6 0.5 49.0 47.4 92.6
16 45.9 3.1 3.4 127 147 12.1 −1.6 17.0 23.2 56.1
17 50.3 3.3 3.3 180 143 11.9 3.1 50.0 61.3 99.8
18 52.3 3.5 3.2 147 138 11.8 0.7 44.0 53.9 85.0
19 44.3 2.9 2.6 115 112 10.6 0.2 38.0 28.3 44.3
20 36.7 2.4 2.2 77 95 9.8 −1.9 47.0 54.5 56.5
X 42.0 2.8 5.4 149 233 15.3 −5.5 45.0 35.9 83.2
 Total 1502.6 100.0 100.0 4323 4353 66.0 −0.5 1509.0 1578.2 1998.2

  • ↵ Jacob et al. (1995).

  • ↵ Robinson (1965).

  • ↵Includes only Rat markers, as they were generated randomly, whereas all other markers were chosen based on previous map data.

  • ↵ Brown et al. (1998).

  • ↵ Bihoreau et al. (1997).

This Article

  1. Published in Advance May 21, 1999, doi: 10.1101/gr.9.6.AP1 Genome Res. 9: AP1-AP8

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