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Table 2 Number of markers and SNPs included in the integrated map, linkage group (LG) length, distribution of markers and SNPs per cM for each LG, total number of markers and SNPs on the A, C and whole genomes and ratio of marker and SNP number on the A genome relatively to the C genome (A/C)

From: High-density SNP-based genetic map development and linkage disequilibrium assessment in Brassica napusL

Integrated map

LG

Number of markers

Number of SNPs

Length (cM)

Number of markers/cM

Number of SNPs/cM

A1

533

425

120.1

4.44

3.54

A2

474

412

117.9

4.02

3.49

A3

664

504

137.5

4.83

3.67

A4

420

365

67.4

6.23

5.42

A5

578

493

106.4

5.43

4.63

A5

527

442

137.1

3.84

3.08

A7

458

370

109.7

4.18

3.37

A8

212

159

102.1

2.08

1.56

A9

557

416

133.2

4.18

3.12

A10

447

376

65.7

6.80

5.72

C1270

270

181

104.5

2.58

1.73

C2

312

236

126.5

2.47

1.87

C3

471

368

183.5

2.57

2.01

C4

312

220

132.9

2.35

1.66

C5

158

93

144.7

1.09

0.64

C6

257

192

111.2

2.31

1.73

C7

247

189

103.3

2.39

1.83

C8

208

149

119

1.75

1.25

C9

262

194

128.3

2.04

1.51

Total

7367

5764

2250.9

3.27

2.56

Total A

4870

3942

1097.1

4.60

3.76

Total C

2497

1822

1153.9

2.17

1.58

A/C

2.0

2.0

1.0

2.1

2.4