Table 1. Number of SNP markers and coverage in cM of each chromosome in three linkage maps.

	EXPEN 2000 (LA0925 x LA0716)					EXPEN 2012 (Moneymaker x LA0716)					EXPIM 2012 (Moneymaker x LA0121)
	No.	Unique	Coverage	Maker Interval (cM)		No.	Unique	Coverage	Maker Interval (cM)		No.	Unique	Coverage	Maker Interval (cM)
Chr	Marker	Bin1	(cM)	Maximum	Average2	Marker	Bin	(cM)	Maximum	Average	Marker	Bin	(cM)	Maximum	Average
1	252	113	201.8	8.5	1.8	266	110	117.2	8.9	1.1	332	158	127.5	6.0	0.8
2	416	125	165.5	6.2	1.3	434	145	110.2	3.5	0.8	507	123	80.2	5.7	0.7
3	286	81	121.7	5.6	1.5	299	97	105.4	7.0	1.1	339	139	108.2	5.7	0.8
4	385	113	159.5	5.0	1.4	427	123	108.1	6.5	0.9	574	135	93.0	3.6	0.7
5	363	99	154.3	6.1	1.6	381	118	95.5	5.2	0.8	494	129	88.9	4.2	0.7
6	374	78	111.3	5.6	1.4	384	89	87.7	7.2	1.0	306	94	66.8	4.3	0.7
7	224	70	108.2	7.8	1.5	237	71	74.8	4.2	1.1	290	111	83.2	3.6	0.7
8	189	75	124.4	8.1	1.7	198	87	76.9	3.8	0.9	258	95	77.4	4.2	0.8
9	218	84	144.2	8.7	1.7	234	100	96.7	4.5	1.0	228	83	72.4	5.1	0.9
10	167	80	122.8	5.5	1.5	178	79	84.5	6.8	1.1	270	87	75.5	3.1	0.9
11	466	82	114.4	9.0	1.4	484	126	98.8	4.8	0.8	691	115	92.1	8.7	0.8
12	163	76	141.9	9.7	1.9	165	84	99.1	8.9	1.2	202	89	84.1	8.3	0.9
Total	3,503	1,076	1,669.9		1.6	3,687	1,229	1,154.6		0.9	4,491	1,358	1,049.2		0.8
			(1,252.4)3					(1,201.2)					(1,081.2)

¹Unique map positions covered by SNP markers.

²Average marker interval (cM) = coverage/number of unique bins.

³Map length recalculated based on subsets of markers that were separated by at least 5 cM interval.