Table 3.

Description on basic characteristics of seven linkage groups.

Linkage group ID	Total marker	Total distance (cM)	Average distance (cM)	Largest gap (cM)	SNP number
Chr 1	404	136.93	0.34	1.31	954
Chr 2	326	139.54	0.43	1.77	751
Chr 3	649	212.14	0.33	2.29	604
Chr 4	503	165.68	0.33	1.96	593
Chr 5	399	151.07	0.38	2.36	625
Chr 6	440	155.15	0.35	1.96	461
Chr 7	336	100.69	0.30	1.44	487
Total	3,057	1,061.19	0.35	2.36	4,475