Hybrid sterility QTL locations and their effects.

1The QTL # is the order of the QTL peaks from left to right in Figure 1.2cM is the location of the highest likelihood score in centimorgans (cM) from the left hand of each chromosome, as determined by CIM; the refined position is by MIM.3Range is the span of the QTL, determined by a 95% confidence interval.4Max. LOD is the maximum LOD score calculated with CIM (individual QTLs) or MIM (epistatic interactions).5The additive effect is half of the difference between the two homozygous classes.6%VP is the proportion of the phenotypic variance accounted for by each QTL with the estimated parameters (calculated by taking R2*100).7%TVP is the proportion of the phenotypic variance accounted for by each QTL given the number of background cofactors (calculated by taking TR2*100).