Fig. 1 Genetic maps of 20 consensus soybean linkage groups defined using three mapping populations: The USDA/Iowa State Univ., G. max x G. soja F₂ population consisting of 59 F₂ plants; the Univ. of Utah, Minsoy x Noir 1 RIL population of 240 lines; and the Univ. of Nebraska, Clark x Harosoy F₂ population consisting of 57 plants; and corresponding classical linkage groups. The first 20 panels correspond to the linkage 20 consensus linkage groups in Table 2. The last panel (Panel Y-ISU+Unlinked) are those linkage groups for which there is as yet no corresponding consensus group. Loci referred to as "Weak Link" do not coalesce with their homologous group at LOD 5.0 but do coalesce at a lower LOD. On the University of Nebraska map, one asterisk indicates the distance is supported by a LOD score of less than 5.0 but greater than 4.0, two asterisks indicates the distance is supported by a LOD score of less than 4.0 but greater than 3.0, three asterisks indicates the distance is supported by a LOD score of less than 3.0 but greater than 2.0, four asterisks indicates the distance is supported by a LOD score of less than 2.0 but greater than 1.5.Centimorgan (cM) distances between adjacent loci are indicated. The number in parentheses following each SSR locus is the gene diversity x 100. An ND in parenthesis following an SSR locus indicates that the gene diversity was not determined. RFLP loci are denoted using the Arial Normal font, SSR loci are in Arial Bold font, RAPD loci are in Arial Italic font, AFLP loci are in Arial Normal font and underlined, and classical loci are in Arial Bold Italic font

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