Table 2. Basic information of SNP markers on physical map in chicken.

Chromosome	Physical Map (Mb)	No. of SNP Markers	Marker Density (Kb/SNP)
1	199.4	6,654	30
2	154.4	5,024	30.7
3	113.6	3,849	29.5
4	94	3,120	30.1
5	62	2,025	30.6
6	37.4	1,581	23.7
7	38.4	1,681	22.8
8	30.5	1,320	23.1
9	25.4	1,106	23
10	22.4	1,195	18.7
11	21.9	1,156	18.9
12	20.4	1,275	16
13	18.4	1,080	17
14	15.8	925	17.1
15	13	950	13.7
16	0.43	14	30.7
17	11.2	802	14.0
18	10.9	774	14.1
19	9.8	767	12.8
20	13.9	1,349	10.3
21	6.7	728	9.2
22	3.8	281	13.5
23	6	546	11.0
25	2	150	13.3
24	6.4	671	9.5
26	5.1	588	8.7
27	4.6	427	10.8
28	4.4	510	8.6
E22C19W28_E50C23	0.89	138	6.4
E64	0.049	16	3.1
Z	74.6	1,937	38.5
Total	1027.8	42,639	24.1