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Table 3 Pairwise linkage disequilibrium (r2) for syntetic SNPs at various distanced pooled over X-specific and pseudo-autosomal (PAR) regions of the X chromosome

From: Characteristics of linkage disequilibrium in North American Holsteins

Distance X-specific Pseudo-autosomal
  N Mean SD N Mean SD
0-40 kb 126 0.28 0.28 24 0.15 0.18
40-60 kb 106 0.23 0.26 18 0.08 0.10
60-100 kb 197 0.18 0.24 32 0.10 0.14
100-200 kb 461 0.11 0.17 89 0.05 0.07
200-500 kb 1,184 0.08 0.13 262 0.06 0.07
0.5-1 Mb 1,755 0.06 0.09 361 0.04 0.05
1-2 Mb 3,144 0.05 0.07 584 0.03 0.04
2-5 Mb 8,903 0.04 0.06 - - -
5-10 Mb 13,678 0.04 0.05 - - -
10-20 Mb 23,588 0.03 0.04 - - -
20-50 Mb 46,808 0.02 0.03 - - -
50-100 Mb 59,598 0.01 0.01 - - -
> 100 Mb 36,703 0.01 0.01 - - -