Fig. 4From: Quantitative trait loci influencing forking defects in an outbred pedigree of loblolly pineProfile of the logarithm of odds (LOD) ratio test statistic for the joint analysis of forking and ramicorn branching. The 12 groups are merged into a single line on the horizontal axis. The dashed horizontal line represents the LOD threshold value of 4.82Back to article page