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Table 2 Genotype frequencies for the 10 SNPs investigated

From: The COMT Val158 allele is associated with impaired delayed-match-to-sample performance in ADHD

Gene

Polymorphism

Allele minor/major

Genotype count (percentage)

Minor allele frequency

NET

rs880711

A/G

A/A

4 (3.5)

0.18

   

G/A

32 (28.3)

 
   

G/G

77 (68.1)

 
 

rs3785155

A/G

A/A

2 (1.8)

0.14

   

A/G

28 (25)

 
   

G/G

82 (73.2)

 

DRD2

rs1079596

T/C

T/T

2 (1.8)

0.15

   

C/T

29 (25.7)

 
   

C/C

82 (72.6)

 
 

rs1800497

A/G

A/A

4 (3.5)

0.22

   

A/G

42 (37.2)

 
   

G/G

67 (59.3)

 
 

rs2075654

T/C

T/T

2 (1.8)

0.15

   

T/C

29 (25.7)

 
   

C/C

82 (72.6)

 
 

rs6277

G/A

G/G

24 (21.2)

0.47

   

A/G

58 (51.3)

 
   

A/A

31 (27.4)

 

DBH

rs1611115

T/C

T/T

9 (8.0)

0.27

   

T/C

43 (38.1)

 
   

C/C

61 (54)

 
 

rs2519152

C/T

C/C

25 (22.3)

0.44

   

T/C

49 (43.8)

 
   

T/T

38 (33.9)

 

DRD4

rs1800955

C/T

C/C

20 (18)

0.46

   

T/C

62 (55.9)

 
   

T/T

29 (26.1)

 

COMT*

rs4680

G/A

G/G

25 (22.1)

0.44

   

G/A

49 (43.3)

 
   

A/A

39 (34.5)

 
  1. * For the COMT SNP ‘G’ refers to the ‘Val’ allele and ‘A’ refers to the ‘Met’ allele
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Behavioral and Brain Functions

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