Skip to main content

Table 1 Allele frequency data for the 48 bp VNTR polymorphism of DRD4

From: The polymorphic nature of the human dopamine D4 receptor gene: A comparative analysis of known variants and a novel 27 bp deletion in the promoter region

Origin of populations

Allele frequency (%)

  

2N

2

3

4

5

6

7

8

10

Caucasian

Hungarian (Ronai et al., 2000)

1196

8.9

3.8

65.0

1.1

0.4

19.5

1.2

0.1

 

European-mixed (Chang et al., 1996)

176

12.0

6.0

57.0

2.0

1.0

21.0

1.0

0.0

 

Caucasians in New Zealand (Mill et al., 2002)

1760

8.8

4.6

65.0

0.9

0.6

19.4

0.6

0.0

 

German (Strobel et al., 2003)

230

7.3

4.3

66.5

0.9

0.4

19.1

1.3

0.0

 

German (Franke et al., 2000)

394

7.1

3.3

70.1

3.3

0.5

15.2

0.5

0.0

 

Italian (Mochi et al., 2003)

212

10.4

3.3

68.9

2.8

0.9

13.2

0.5

0.0

 

Italian (DeLuca et al., 2003)

190

11.0

5.3

67.9

0.5

0.5

13.7

1.0

0.0

 

Mean

 

8.9

4.3

65.6

1.3

0.5

18.5

0.8

0.0

 

Standard deviation

 

1.1

0.6

2.5

0.8

0.2

2.1

0.3

0.0

Asian

Chinese (Li et al., 2000)

608

18.8

1.2

76.6

1.3

2.1

0.0

0.0

0.0

 

Japanese (Ishiguro et al., 2000)

680

12.0

1.0

81.0

4.0

1.0

1.0

0.0

0.0

 

Mean

 

15.2

1.1

78.9

2.7

1.5

0.5

0.0

0.0

 

Standard deviation

 

3.4

0.1

2.2

1.3

0.5

0.5

0.0

0.0

African

Falashan (Chang et al., 1996)

128

3.0

0.0

83.0

0.0

2.0

11.0

0.0

1.0

American

Mayans (Chang et al., 1996)

100

1.0

0.0

57.0

0.0

3.0

39.0

0.0

0.0