Table 3.

Both sibs in environmental Condition 2

Genotype		Genotypic effect		Environmental effect		Additive and interaction		Dominance and interaction		Environment		Partitioned effects
Sib1	Sib2	Sib1	Sib2	Sib1	Sib2	Between mean	Within diff/2	Between mean	Within diff/2	Between mean	Within diff/2	Sib1 (B + W)	Sib2 (B − W)
A1A1	A1A1	a + i	a + i	e	e	ab + ib	0	0	0	eb	0	[ab + ib] + eb	[ab + ib] + eb
A1A1	A1A2	a + i	d + c	e	e	½(ab + ib)	½(aw + iw)	½(db + cb)	−½(dw + cw)	eb	0	½[ab + aw + ib + iw] + ½[db − dw + cb − cw)] + eb	½[ab − aw + ib − iw] + ½[db + dw + cb + cw] + eb
A1A1	A2A2	a + i	−a − i	e	e	0	aw + iw	0	0	eb	0	[aw + iw] + eb	−[aw + iw] + eb
A1A2	A1A1	d + c	a + i	e	e	½(ab + ib)	−½(aw + iw)	½(db + cb)	½(dw + cw)	eb	0	½[ab − aw + ib − iw] + ½[db + dw + cb + cw] + eb	½[ab + aw + ib + iw] + ½[db − dw + cb − cw] + eb
A1A2	A1A2	d + c	d + c	e	e	0	0	db + cb	0	eb	0	[db + cb] + eb	[db + cb] + eb
A1A2	A2A2	d + c	−a − i	e	e	−½(ab + ib)	½(aw + iw)	½(db + cb)	½(dw + cw)	eb	0	−½[ab − aw + ib − iw] + ½[db + dw + cb + cw] + eb	−½[ab + aw + ib + iw] + ½[db − dw + cb − cw)] + eb
A2A2	A1A1	−a − i	a + i	e	e	0	−(aw + iw)	0	0	eb	0	−[aw + iw] + eb	[aw + iw] + eb
A2A2	A1A2	−a − i	d + c	e	e	−½(ab + ib)	−½(aw + iw)	½(db + cb)	−½(dw + cw)	eb	0	−½[ab + aw + ib + iw] + ½[db − dw + cb − cw] + eb	−½[ab − aw + ib − iw] + ½[db + dw + cb + cw)] + eb
A2A2	A2A2	−a − i	−a − i	e	e	−(ab + ib)	0	0	0	eb	0	−[ab + ib] + eb	−[ab + ib] + eb

The main effect for the environmental and the G × E interaction are non-zero in both sibs