Table 2 Number of variance components of order k among n loci (k = 1 denotes additive variance), numbers of terms in the expansion of the variance from effects, and number of such terms that are squared terms, 2n k
No. of loci nk4nk2nk2n−2k2n−4k
111110.50.125
2128420.5
21110.250.0156
313481261.5
231261.50.0938
31110.1250.0020
41425632164.0
26962460.375
3416810.0156
41110.06250.0002
5151280804010
21064080201.25
31016040100.0781
4520100.6250.0024
51110.03120.0000
61661441929624
2153840240603.75
3201280160200.313
415240607.50.0145
5624120.3750.0004
61110.01560.0000
• The number of squared terms are also shown multiplied by the maximum heterozygosity (1/2)k for the k order term, i.e., 2n − 2k, and also by a more typical mean heterozygosity in a long standing population (1/8)k, i.e., 2n − 4k.