TABLE 3

The MLEs of QTL parameters and their MSEs (in parentheses) for different heritabilities (H 2) and sample sizes (M) under the one-stage design based on 100 repeated simulations

H2Position
(50)
μ3 = 11.5μ2 = 11.3μ1 = 10μ0 = 8.5Embedded Image μ = 100a = 1d1 = 0.8d2 = 0.5
The number of backcross plants M = 200
0.249.1611.181611.123210.44018.52415.73119.85280.88580.82751.0302
(97.52)(1.5357)(0.9000)(1.3539)(0.0636)(0.7825)(0.3893)(0.1824)(1.7827)(2.0774)
0.650.3011.229811.210610.24208.49210.96529.86100.91260.89330.8373
(9.64)(0.4184)(0.2988)(0.6325)(0.0127)(0.0174)(0.1193)(0.0428)(0.6100)(0.8869)
The number of backcross plants M = 400
0.249.4411.254011.105710.41188.50725.85619.88060.91560.76730.9890
(26.16)(1.0335)(0.7473)(1.2068)(0.0361)(0.3272)(0.2733)(0.1162)(1.4579)(1.8538)
0.649.8011.095011.354610.32758.49840.96969.79670.86561.12520.9636
(4.56)(0.4659)(0.2485)(0.5524)(0.0036)(0.0065)(0.1209)(0.0506)(0.6217)(0.8394)
  • The position of the QTL is described by the map distance (in centimorgans) from one end of the linkage group (100 cM long). Embedded Image hypothesized is 6.4 at H 2 = 0.2 and 1.2 at H2 = 0.6.