Table 1.

Partitioning of additive (${\mathit{\sigma }}_{\text{A}}^2$) and dominance (${\mathit{\sigma }}_{\text{D}}^2$) genetic effects in different types of families (Hallauer and Miranda Fo 1981; Venvcosky and Barriga 1992; Kearsey and Pooni 1996)

Type of family	Inbreeding coefficient	Between families		Within families		Total
		${\mathit{\sigma }}_{\text{A}}^2$	${\mathit{\sigma }}_{\text{D}}^2$	${\mathit{\sigma }}_{\text{A}}^2$	${\mathit{\sigma }}_{\text{D}}^2$	${\mathit{\sigma }}_{\text{A}}^2$	${\mathit{\sigma }}_{\text{D}}^2$
HS	0	1/4	0	3/4	1	1	1
FS	0	1/2	1/4	1/2	3/4	1	1
S1/F3	1/2	1	1/4	1/2	1/2	3/2	3/4
S2/F4	3/4	3/2	3/16	1/4	1/4	7/4	7/16
S3/F5	7/8	7/4	7/64	1/8	1/8	15/8	15/64
……..
S∞/F∞	1	2	0	0	0	2	0