Table 1 Summary of genotype-phenotype relationships in simulations
QTL A genotypeAAAAAAAaAaAaaaaaaa
QTL B genotypeBBBbbbBBBbBbBBBbbb
x1a111000−1−1−1
x1d000111000
x2a10−110−110−1
x2d010010010
Additive (β1ax1a + β2ax2a + …)β1a + β2aβ1aβ1a − β2aβ2a0−β2a−β1a + β2a−β1a−β1a −β2a
Dominance (β1dx1a + β1dx1d + β2dx2a + β2dx2d + …)β1d + β2dβ1d + β2dβ1d − β2dβ1d + β2dβ1d + β2dβ1d − β2d−β1d + β2d−β1d + β2d−β1d − β2d
Overdominance (β1dx1d + β2dx2d + …)0β2d0β1dβ1d + β2dβ1d0β2d0
A x A (βaax1ax2a + …)βaa0−βaa000−βaa0βaa
A x D (βadx1ax2d + …)0βad00000−βad0
D x D (βddx1dx2d + …)0000βdd0000