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Table 2 Relative length (means ± SD) and centromeric index of H. elongata chromosomes

From: Karyotype features of trematode Himasthla elongata

Chromosome â„–

Relative length, %

Centromeric index, %

Classification

1

14.6 ± 1.7

37.2 ± 2.8

m-sm

2

12.6 ± 2.1

14.9 ± 2.3

st

3

10.8 ± 2.0

42.2 ± 3.8

m

4

9.4 ± 1.4

20.2 ± 3.1

st

5

8.4 ± 1.5

21.4 ± 2.9

st

6

8.3 ± 1.6

15.8 ± 2.6

st

7

8.2 ± 1.4

14.8 ± 2.8

st

8

7.0 ± 1.1

24.2 ± 3.4

sm-st

9

6.5 ± 1.0

24.5 ± 2.9

sm-st

10

5.6 ± 1.0

27.1 ± 3.6

sm-st

11

5.2 ± 0.9

20.2 ± 2.8

st

12

4.1 ± 1.9

20.7 ± 2.3

st

  1. m metacentric, sm submetacentric, st subtelocentric (= acrocentric)