TABLE 2

Comparison of joint mapping with single trait mapping from the first simulation experiment (both traits are binary)

Heritability
 (%)MethodPower
 (%)Position
 (cM)b01b11b21b02b12b22ρ
 5 J-12 4233.02
 (10.10)−0.05
 (0.14)0.26
 (0.13)0.48
 (0.21)0.05
 (0.16)0.25
 (0.14)0.46
 (0.27)0.24
 (0.13)
 S-1 2633.46
 (13.36)−0.10
 (0.15)0.28
 (0.18)0.59
 (0.20)
 S-2 2936.13
 (12.68)−0.07
 (0.15)0.28
 (0.16)0.56
 (0.17)
10 J-12 9034.02
 (7.47)0.01
 (0.14)0.41
 (0.13)0.36
 (0.24)−0.00
 (0.13)−0.42
 (0.14)0.38
 (0.21)0.24
 (0.10)
 S-1 7835.42
 (12.44)−0.03
 (0.14)0.48
 (0.13)0.42
 (0.27)
 S-2 6936.52
 (11.94)−0.01
 (0.15)−0.46
 (0.11)0.39
 (0.24)
15 J-1210035.08
 (5.08)−0.00
 (0.14)0.50
 (0.16)0.45
 (0.21)−0.00
 (0.15)0.49
 (0.15)−0.47
 (0.22)0.24
 (0.10)
 S-1 9235.57
 (9.23)0.10
 (0.17)0.56
 (0.14)0.47
 (0.26)
 S-2 9136.10
 (10.12)0.01
 (0.15)0.54
 (0.15)−0.48
 (0.24)
  • Entries for the QTL effect and location estimates are the average of 100 replicated simulations with the standard deviations among the 100 replicates given in parentheses. J-12, joint mapping; S-1, separate mapping for trait 1; S-2, separate mapping for trait 2.