Table 4.

Sibs in different environmental conditions: sib1 in Condition 1 and sib2 in 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	a + i	0	e	ab + ½ ib	−½ iw	0	0	½ eb	−½ ew	[ab + ½ ib − ½ iw] + ½[eb − ew]	[ab + ½ ib + ½ iw] + ½[eb + ew]
A1A1	A1A2	a	d + c	0	e	½ ab	½ aw	½ db + ½ cb	−½ dw − ½ cw	½ eb	−½ ew	½[ab + aw] + ½[db − dw + cb − cw] + ½[eb − ew]	½[ab − aw] + ½[db + dw + cb + cw] + ½[eb + ew]
A1A1	A2A2	a	−a − i	0	e	−½ ib	aw + ½ iw	0	0	½ eb	−½ ew	[aw − ½ ib + ½iw] + ½[eb − ew]	[−aw − ½ ib − ½ iw] + ½[eb + ew]
A1A2	A1A1	d	a + i	0	e	½ ab + ½ ib	−½ aw − ½ iw	½ db	½ dw	½ eb	−½ ew	½[ab − aw + ib − iw] + ½[db + dw] + ½[eb − ew]	½[ab + aw + ib + iw] + ½[db − dw] + ½[eb + ew]
A1A2	A1A2	d	d + c	0	e	0	0	db + ½ cb	−½ cw	½ eb	−½ ew	[db + ½ cb − ½ cw] + ½[eb − ew]	[db + ½ cb + ½ cw] + ½[eb + ew]
A1A2	A2A2	d	−a − i	0	e	−½ ab − ½ ib	½ aw + ½ iw	½ db	½ dw	½ eb	−½ ew	−½[ab − aw + ib − iw] + ½[db + dw] + ½[eb − ew]	−½[ab + aw + ib + iw] + ½[db − dw] + ½[eb + ew]
A2A2	A1A1	−a	a + i	0	e	½ ib	−aw − ½ iw	0	0	½ eb	−½ ew	−[aw − ½ ib + ½ iw] + ½[eb − ew]	[aw + ½ ib + ½ iw] + ½[eb + ew]
A2A2	A1A2	−a	d + c	0	e	−½ ab	−½ aw	½ db + ½ cb	−½ dw − ½ cw	½ eb	−½ ew	−½[ab + aw] + ½[db − dw + cb − cw] + ½[eb − ew]	−½[ab − aw] + ½[db + dw + cb + cw] + ½[eb + ew]
A2A2	A2A2	−a	−a − i	0	e	−ab − ½ ib	½ iw	0	0	½ eb	−½ ew	−[ab + ½ ib − ½ iw] + ½[eb − ew]	[−ab − ½ ib − ½ iw] + ½[eb + ew]

The main effect for the environmental and the G × E interaction are zero in sib1 and non-zero in sib2