Linkage results in pruned datasets, showing RS numbers on the x-axis and LOD scores on the y-axis (HLOD for parametric analysis) for left-handedness, parametric analysis, chromosome 22 (A), left-handedness, nonparametric analysis, chromosome 22 (B), atypical lateralization, nonparametric analysis, chromosome 7 (C), hand preference, quantitative trait loci (QTL), nonparametric analysis, chromosome 6 (D), language lateralization, QTL, nonparametric analysis, chromosome 7 (E), and language lateralization, nonparametric analysis, chromosome 9 (F).