TABLE 6

Estimates of QTL parameters and empirical powers (α = 0.05) under different allelic distributions of the QTL

MethodDistributionacMAEmbedded Image Embedded Image Embedded Image Power (%)
Fixed modelUniform24.87 (3.66)0.125 (0.075)0.131 (0.084)0.946 (0.065)98
Normal24.99 (4.65)0.130 (0.074)0.142 (0.144)0.931 (0.057)97
Exponential26.86 (9.68)0.117 (0.088)0.154 (0.255)0.926 (0.064)89
Random modelUniform24.88 (3.78)0.119 (0.066)0.131 (0.084)0.992 (0.067)99
Normal25.26 (4.46)0.123 (0.067)0.144 (0.154)0.977 (0.063)96
Exponential26.18 (9.93)0.115 (0.081)0.163 (0.255)0.969 (0.070)88
  • Standard errors of the estimates, given in parentheses, are calculated by the standard deviations among 100 replicated simulations.

  • a Distribution of the QTL allelic effect.