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Table 3 Karyotype parameters (mean values and standard deviations) of Dugesia tumida; m: metacentric

From: Two new species of Dugesia (Platyhelminthes, Tricladida, Dugesiidae) from the subtropical monsoon region in Southern China, with a discussion on reproductive modalities

Chromosome

Relative

length

Arm ratio

Centromeric

index

Chromosome

type

1

18.22 ± 0.98

1.17 ± 0.11

46.29 ± 2.21

m

2

16.15 ± 1.12

1.12 ± 0.12

47.48 ± 2.57

m

3

13.91 ± 0.49

1.37 ± 0.29

42.89 ± 4.44

m

4

12.18 ± 0.63

1.41 ± 0.31

42.32 ± 5.01

m

5

11.41 ± 0.39

1.37 ± 0.17

42.80 ± 2.96

m

6

10.66 ± 0.43

1.23 ± 0.12

45.23 ± 2.72

m

7

9.88 ± 0.55

1.3 ± 0.17

43.82 ± 3.06

m

8

7.58 ± 1.40

1.29 ± 0.07

43.86 ± 1.29

m