TABLE 3.
Mean estimate of additive polygenic variance and residual variance and mean squared error of main QTL effect, as estimated using the QTL × genetic background interaction model vs. the standard additive model
| QTL × genetic background model
|
Additive model
|
|||||
|---|---|---|---|---|---|---|
| Setting |  |
 |
MSE( ) |
 |
 |
MSE( ) |
| 1 | 40.7 | 39.7 | 1.6 | 50.4 | 50.6 | 1.7 |
| 2 | 40.4 | 39.3 | 0.8 | 50.2 | 49.9 | 0.9 |
| 3 | 40.2 | 39.6 | 1.1 | 42.7 | 42.2 | 1.1 |
| 4 | 40.1 | 40.0 | 0.4 | 42.5 | 42.4 | 0.5 |
| 5 | 40.5 | 40.4 | 2.2 | 50.1 | 50.6 | 2.5 |
| 6 | 41.4 | 40.3 | 2.8 | 51.3 | 50.1 | 3.7 |
| 7 | 57.9 | 39.4 | 1.2 | 59.0 | 40.0 | 1.1 |
| 8 | 39.6 | 39.9 | 4.0 | — | — | — |
Standard errors for variance estimates and mean squared errors were less than 0.5 and 0.2, respectively. Setting 8 was not analyzed with the additive model.