Table 2

Characteristics of loci

mean base frequencies1

heterogeneity of base frequencies2



locus

# aligned sites (# analyzed)

# PI sites1

A

C

G

T

%AT

Chi square

df

P value


ADH-I intron 5 (including partial flanking exons)

851 (703)

306

0.27

0.24

0.24

0.25

52

81.80

129

1.00 (NS)

ADH-I partial exons 5,6 (69 codons:1st position 17 variable, 2nd position 4 variable, 3rd position 44 variable)

207 (207)

57

0.25

0.24

0.28

0.23

48

52.18

129

1.00 (NS)

ADH-I intron 5

644 (499)

249

0.31

0.22

0.24

0.23

54

66.21

129

1.00 (NS)

GAPD-H exons 4–5 and introns 3–5

911 (684)

316

0.23

0.20

0.33

0.24

47

104.64

129

0.94 (NS)

GAPD-H exons 4–5 (65 codons: 1st position 5 variable, 2nd position 5 variable2, 3rd position 35 variable)

196 (196)

23

0.25

0.22

0.27

0.26

51

35.46

129

1.003 (NS)

GAPD-H introns 3–5

713 (486)

292

0.20

0.22

0.33

0.32

44

96.41

129

0.99 (NS)

FGB intron 7

1475 (926)

487

0.30

0.18

0.19

0.33

63

36.35

138

1.00 (NS)

combined mtDNA (12S rDNA, Valine-tDNA, 16S rDNA)

2903 (2229)

659

0.33

0.25

0.21

0.21

54

135.95

135

0.46 (NS)

12S rDNA

1074 (851)

271

0.31

0.26

0.22

0.21

52

79.23

141

1.00 (NS)

16S rDNA

1753 (1318)

375

0.34

0.24

0.20

0.22

56

94.30

135

1.00 (NS)

valine tDNA

76 (60)

15

0.36

0.21

0.19

0.24

60

59.05

135

1.00 (NS)


1 number remaining after ambiguously aligned sites removed

2 base composition heterogeneity based on variable sites only

3 2nd position P = 0.94 (NS)

Fain and Houde BMC Evolutionary Biology 2007 7:35   doi:10.1186/1471-2148-7-35

Open Data