From: No evidence for the association of DRD4 with ADHD in a Taiwanese population within-family study
 | Case Frequency(%) | Control (NT) Frequency(%) | T/NT transmission |
---|---|---|---|
5' marker | Â | Â | Â |
120 bp | 0.232 | 0.236 | 54 / 55 |
240 bp | 0.768 | 0.764 | 179 / 178 |
Exon 3 VNTR | Â | Â | Â |
2 | 0.234 | 0.244 | 46 / 48 |
3 | 0.005 | 0.000 | 1 / 0 |
4 | 0.751 | 0.736 | 149 / 146 |
5 | 0.010 | 0.020 | 2 / 4 |