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Table 1 Inheritance of NOR DNA methylation in F1 hybrids

From: Natural variation in DNA methylation in ribosomal RNA genes of Arabidopsis thaliana

Group

Accessions

CR DNA methylation index (%)

Relative rRNA gene copy number

CR DNA methylation index in F1 hybrids with Col

    

Expected (%)

Experimental (%)a

Male parent

Col

69.8

1.00

  

I

Bor-4

34.8

1.22

50.6

55.3 ± 1.3 (n = 7)

 

Kin-0

9.3

1.19

36.9

36.9 ± 1.5 (n = 10)

 

Pu2-23

21.1

1.07

44.6

46.9 ± 4.1 (n = 5)

 

Rennes-11

15.2

0.75

46.4

43.5 ± 1.5 (n = 6)

 

Sorbo

10.3

1.06

39.2

41.0 ± 2.2 (n = 5)

 

Spr1-6

23.5

0.85

48.5

49.9 ± 2.6 (n = 6)

 

Tamm-2

19.7

0.79

50.4

46.7 ± 3.8 (n = 5)

 

Ts-5

22.1

1.04

45.5

41.8 ± 3.7 (n = 5)

 

Zdr-1

9.3

0.89

41.3

37.8 ± 1.4 (n = 6)

 

Zdr-6

19.9

1.43

40.4

43.4 ± 1.2 (n = 6)

II

Ga-0

26.1

0.72

51.5

40.6 ± 1.0 (n = 6)

 

Sq-1

21.9

0.51

53.6

39.0 ± 1.1 (n = 5)

III

Bay-0

8.1

0.64

45.2

68.9 ± 0.9 (n = 4)

 

CS22569

20.2

0.67

49.9

60.0 ± 1.1 (n = 5)

 

KZ9

23.2

1.06

45.8

61.6 ± 0.9 (n = 5)

 

Rennes-1

25.3

1.40

42.4

57.0 ± 1.4 (n = 6)

  1. a Average ± standard error (n, number of individuals).