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Genomewide linkage scan for pretraining work in 188 (FVB × B6) F2 progeny. Significant and suggestive logarithm of odds (LOD) thresholds are represented by top (LOD = 3.57) and bottom (LOD = 2.14) horizontal lines, respectively. LOD thresholds were determined by permutation testing using 1,000 permutations.
