. Author manuscript; available in PMC: 2009 May 1.

Published in final edited form as: Theor Popul Biol. 2007 Dec 31;73(3):369–373. doi: 10.1016/j.tpb.2007.11.011

Table 1.

The state classes among 4 genes

State class	ibd states	class characterization	equilibrium state probability	equilibrium class probability
1	1111	1 1 1	6β²η/(1 − β)	–
2	1122	1 1 0	βη	–
3	1112 and 1121	1 0 1	2βη	4βη
4	1123	1 0 0	η(1 − β)	–
5	1211 and 1222	0 1 1	2βη	4βη
6	1233	0 1 0	η(1 − β)	–

7	1212 and 1221	0 0 2	βη	2βη
8	1213, 1231, 1223 and 1232	0 0 1	η(1 − β)	4η(1 − β)
9	1234	0 0 0	η(1 − β)²/β	–