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

BMC Genomics

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

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

ISSN: 1471-2164