Figure 1

Scatter plot representing the distribution of marker skewness of the six component sorghum maps, each dot representing one molecular marker. Vertical solid bars distinguish the 10 chromosomes, along the total map distance (x axis). The y axis details the log2 value of the ratio of the number of individuals carrying the A allele on the number of individuals carrying the B allele. Markers outside the two horizontal dotted lines are significantly skewed as calculated by the Chi-square test.