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Fig. 4. Linkage disequilibrium estimates for Pina-D1, Pinb-D1, and Gsp-D1 from Aegilops tauschii. Estimates consider only the 41 polymorphic sites that were present in at least 5% of the accessions examined (nucleotide site numbers are listed down the left-hand side and across the top, and are arranged according to the concatenated three-gene model). The lower left of the black-square diagonal indicates the significance level of each pair-wise comparison as determined by the Fisher's exact test (color code appears in the lower right as "Lower P value"). The upper right of the black-square diagonal indicates the correlation (r2) between the 41 pairs of polymorphic sites (color code appears in the upper right as "Upper R
2"). At the bottom of the figure is a display of the polymorphic sites along the concatenated three genes.
