Table 1. Variation in MLH1 number and distribution in male house mice with diverse karyotypes.

Strain	Animal	2N	No. cells	Fraction of chromosomes				Fraction of achiasmate arms	Average MLH1	SD MLH1
				0 MLH1 foci	1 MLH1 focus	2 MLH1 foci	3 MLH1 foci
PERA	1	40	52	0.0051	0.7065	0.2885	0.0000	0.0051	24.38	2.13
WSB	1	40	21	0.0251	0.6667	0.3058	0.0000	0.0251	24.29	2.00
WSB	2	40	41	0.0128	0.7291	0.2567	0.0013	0.0128	23.68	2.23
WSB	3	40	38	0.0125	0.6759	0.3102	0.0014	0.0125	24.71	2.14
Total			100	0.0153	0.6958	0.2874	0.0011	0.0153	24.20	2.18
BALBc	1	40	32	0.0082	0.6809	0.3109	0.0000	0.0082	24.75	2.31
BALBc	2	40	22	0.0048	0.6914	0.3038	0.0000	0.0048	24.68	1.73
BALBc	3	40	29	0.0054	0.6806	0.3085	0.0054	0.0054	24.97	2.37
Total			83	0.0063	0.6836	0.3082	0.0019	0.0063	24.81	2.17
CBy.RBF	1	38	27	0.0391	0.5679	0.3868	0.0062	0.0453	24.48	3.04
CBy.RBF	2	38	33	0.0168	0.6077	0.3653	0.0084	0.0139	24.55	1.99
CBy.RBF	3	38	28	0.0099	0.5700	0.4095	0.0079	0.0144	25.50	2.44
CBy.RBF	4	38	29	0.0192	0.6437	0.3333	0.0038	0.0192	23.79	1.86
CBy.RBF	5	38	38	0.0132	0.5614	0.4167	0.0088	0.0146	25.58	2.76
CBy.RBF	6	38	30	0.0082	0.5342	0.4316	0.0085	0.0099	25.90	3.73
CBy.RBF	7	38	32	0.0122	0.5573	0.4253	0.0052	0.0174	25.63	2.25
Total			217	0.0166	0.5778	0.3957	0.0070	0.0188	25.09	2.70
RBF	1	34	19	0.0221	0.7353	0.2426	0.0000	0.0486	19.53	1.22
RBF	2	34	6	0.0208	0.7500	0.2250	0.0000	0.0781	19.83	1.72
RBF	3	34	28	0.0231	0.6944	0.2731	0.0093	0.0486	20.32	1.83
RBF	4	34	38	0.0148	0.7303	0.2434	0.0115	0.0405	20.03	1.85
Total			91	0.0192	0.7213	0.2514	0.0079	0.0465	20.00	1.72
ZALENDE	1	26	78	0.0032	0.2560	0.5000	0.2262	0.0220	23.72	1.99
ZALENDE	2	26	52	0.0119	0.2833	0.5167	0.2000	0.0076	24.21	2.23
Total			130	0.0051	0.2632	0.5044	0.2193	0.0167	23.92	2.10