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Table 6 Summary statistics for the linkage map and number of informative markers in the F2 population

From: Genetic dissection of growth traits in a Chinese indigenous × commercial broiler chicken cross

Chromosome

Physical size1(Mb)

Number of SNPs

Sex average (cM)2

Recombination rate (cM/Mb)2

GGA1

201

6800

491.2

2.4

GGA2

155

5073

318.8

2.1

GGA3

114

3924

269.3

2.4

GGA4

94

3143

183

2

GGA5

62

2112

170.1

2.7

GGA6

37

1595

98.8

2.7

GGA7

38

1627

103.9

2.7

GGA8

31

1330

107.4

3.5

GGA9

26

1115

90.2

3.5

GGA10

22.6

1247

77

3.4

GGA11

21.9

1172

77.2

3.5

GGA12

20.5

1252

94.1

4.6

GGA13

18.9

1090

76.8

4.1

GGA14

15.8

968

67.1

4.3

GGA15

13

993

65.9

5.1

GGA16

0.43

13

0.8

n.d. 3

GGA17

11.2

830

66.8

6

GGA18

10.9

826

65

6

GGA19

9.9

779

62.8

6.3

GGA20

14

1346

75.2

5.4

GGA21

7

730

54.2

7.7

GGA22

3.9

285

47.4

12.2

GGA23

6

562

60.2

10

GGA24

6.4

659

60.6

9.5

GGA25

2.03

164

61.8

n.d. 3

GGA26

5.1

601

57.5

11.3

GGA27

4.8

436

57.8

12.1

GGA28

4.5

503

55.5

12.3

LGE22

0.9

103

52

n.d. 2

Total autosomal

957.8

41278

3068.4

3.2

  1. 1 Physical length of the chromosome was based on the WASHUC 3.1 build. 2 Estimated from the genetic map estimated in this population and the physical map from the NCBI database. 3 n.d. = not determined, as the chromosome showed clear evidence of sequence gaps.