SLC6A3 and attention deficit-hyperactivity disorder: With regard to genetic ADHD studies, three articles showed that the scale is an adequateinstrument for detecting phenotype traces of ADHD in the general population, and inhelping to link these traces with mutations and genotype segments distributed in samplesfrom twins and their siblings; for example, the dopamine transporter (DAT) 10/10-repeatallele (32).