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Table 1 Relative lengths (RL), centromeric indices (CI) and classification (C) of mussel chromosomes

From: Karyotypic diversification in Mytilus mussels (Bivalvia: Mytilidae) inferred from chromosomal mapping of rRNA and histone gene clusters

 

Mytilus edulis

Mytilus galloprovincialis

Mytilus trossulus

Mytilus californianus

Pair

RL

CI

C

RL

CI

C

RL

CI

C

RL

CI

C

1

9.21 ± 0.29

43.56 ± 0.91

m

9.31 ± 0.35

44.50 ± 1.19

m

9.41 ± 0.23

45.67 ± 0.82

m

9.66 ± 0.40

36.40 ± 0.70

sm

2

8.20 ± 0.25

38.68 ± 0.72

m/sm

8.08 ± 0.17

39.82 ± 0.86

m

8.09 ± 0.24

31.53 ± 1.45

sm

8.52 ± 0.27

34.89 ± 0.95

sm

3

8.05 ± 0.24

20.48 ± 0.90

st

7.91 ± 0.22

27.57 ± 0.91

sm

7.74 ± 0.19

27.95 ± 1.15

sm

8.00 ± 0.25

24.95 ± 0.94

st/sm

4

7.57 ± 0.28

25.35 ± 0.85

sm/st

7.42 ± 0.14

25.96 ± 1.14

sm/st

7.69 ± 0.22

45.48 ± 0.62

m

7.84 ± 0.19

45.63 ± 0.59

m

5

7.41 ± 0.29

45.08 ± 1.07

m

7.26 ± 0.19

46.31 ± 1.16

m

7.43 ± 0.17

45.52 ± 0.75

m

7.76 ± 0.12

41.67 ± 1.10

m

6

7.27 ± 0.19

44.20 ± 0.99

m

7,24 ± 0,18

46.40 ± 0.80

m

7.35 ± 0.27

44.17 ± 0.61

m

7.49 ± 0.16

24.41 ± 1.05

st/sm

7

7.18 ± 0.25

24.33 ± 1.29

st/sm

7.22 ± 0.17

21.71 ± 1.08

st

7.24 ± 0.17

27.22 ± 0.70

sm

7.34 ± 0.14

44.30 ± 1.39

m

8

7.18 ± 0.20

45.19 ± 1.08

m

7.20 ± 0.20

46.14 ± 0.86

m

7.11 ± 0.17

29.61 ± 0.83

sm

7.32 ± 0.22

30.40 ± 1.10

sm

9

6.96 ± 0.21

31.14 ± 1.31

sm

7.01 ± 0.14

31.02 ± 0.95

sm

6.95 ± 0.26

27.81 ± 0.62

sm

6.95 ± 0.21

26.79 ± 1.16

sm

10

6.86 ± 0.20

23.82 ± 1.25

st/sm

6.84 ± 0.22

26.92 ± 1.36

sm

6.81 ± 0.18

41.74 ± 0.83

m

6.72 ± 0.22

34.82 ± 1.20

sm

11

6.39 ± 0.22

26.29 ± 1.37

sm

6.68 ± 0.15

25.47 ± 0.98

sm/st

6.56 ± 0.20

30.76 ± 0.69

sm

6.20 ± 0.21

26.63 ± 0.85

sm

12

6.22 ± 0.20

41.58 ± 1.42

m

6.35 ± 0.20

44.12 ± 0.89

m

6.16 ± 0.13

43.38 ± 1.06

m

5.63 ± 0.23

44.86 ± 0.57

m

13

6.10 ± 0.22

29.98 ± 1.15

sm

5.77 ± 0.19

27.09 ± 0.79

sm

5.88 ± 0.20

33.18 ± 1.11

sm

5.61 ± 0.23

26.73 ± 0.48

sm

14

5.40 ± 0.31

33.13 ± 0.95

sm

5.68 ± 0.15

33.02 ± 0.79

sm

5.59 ± 0.18

42.19 ± 1.15

m

4.97 ± 0.16

31.63 ± 0.89

sm

  1. m: metacentric; sm: submetacentric; st: subtelocentric.