The linkage disequilibrium maps of three human chromosomes across four populations reflect their demographic history and a common underlying recombination pattern

Table 1.

Statistics of blocks and steps in the LDU maps

Chromosome
Population
Mean blockasizes (kb)
Number of blocks
Mean step sizes (LDU)
6 African-American 23.0 2110 2.1
Caucasian 28.6 1965 1.6
Chinese 33.8 2076 1.7
Japanese 35.6 2045 1.6
21 African-American 14.1 747 2.1
Caucasian 17.3 751 1.4
Chinese 20.3 664 1.7
Japanese 21.3 651 1.5
22 African-American 5.6 875 1.9
Caucasian 19.6 827 1.4
Chinese 24.4 516 2.1
Japanese
26.9
488
2.2

  • ↵a Block defined as continuous region with ΔLDU = 0

This Article

  1. Published in Advance March 21, 2005, doi: 10.1101/gr.3241705 Genome Res. 15: 454-462

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