TABLE 2

The mean square error of the position estimate (MSE), the fraction of replicates with a QTL significant effect (power), the fraction of the significant QTL, where the true QTL position is within the 2-LOD-dropoff support interval [P(QTL in interval)], and correlation between estimated IBD probabilities and the IBD probability given the tree (Corr)

AnalysisMSE (cM2)PoweraP(QTL in interval)Size of interval (cM)Corr
IBDHET0.0720.940.970.820.576
IBDMUT0.0490.950.970.580.537
IBDHETne0.0710.940.970.780.576
MARK10.0880.830.110.110.357
MARK20.0740.880.260.140.478
  • The IBD probability given the tree is used as the “gold standard” (see main text).

  • a A nominal P-value of 0.001 was used.