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Table 4 Chromosome-specific haplotype block structure analysed using in a collection of 203 Chinese semi-winter B. napus accessions

From: Sub-genomic selection patterns as a signature of breeding in the allopolyploid Brassica napus genome

Chromosome No.of SNPs Chromosome length (Mb) Mean MAF Mean r2 Number of blocks Mean block size (Kb) Block coverage area per chromosome (Mb) Block coverage percentage per chromosome (%)
A01 1117 23 0.27 0.19 190 27.74 5.27 0.23
A02 891 25 0.25 0.17 145 23.30 3.38 0.14
A03 1646 29 0.27 0.17 286 21.84 6.25 0.22
A04 1139 20 0.24 0.19 175 26.46 4.63 0.23
A05 1249 23 0.27 0.21 215 33.07 7.11 0.31
A06 1153 24 0.28 0.20 213 32.07 6.83 0.28
A07 1412 24 0.28 0.19 247 24.57 6.07 0.25
A08 820 19 0.20 0.33 129 51.72 6.67 0.35
A09 1166 33 0.31 0.36 157 60.57 9.51 0.29
A10 1171 17 0.31 0.30 167 33.78 5.64 0.33
A-subgenome mean 1176 24 0.27 0.23 192 33.51 6.14 0.26
C01 2041 39 0.20 0.73 135 119.92 16.19 0.42
C02 1891 46 0.19 0.84 124 186.10 23.07 0.50
C03 2094 60 0.23 0.46 209 89.810 18.77 0.31
C04 2473 49 0.29 0.78 172 100.58 17.30 0.35
C05 718 43 0.29 0.41 92 50.64 4.66 0.11
C06 905 37 0.27 0.46 113 82.04 9.27 0.25
C07 1285 45 0.25 0.41 138 95.46 13.17 0.29
C08 1156 38 0.21 0.61 124 93.45 11.59 0.31
C09 667 48 0.23 0.60 66 107.67 7.11 0.15
C-subgenome mean 1581 33 0.24 0.59 130 102.85 13.46 0.41
Whole genome mean 1378 29 0.25 0.41 161 68.18 9.80 0.34
  1. MAF: Minor allele frequency.