The association of the dopamine D4 receptor gene (DRD4) and the serotonin transporter promoter gene (5-HTTLPR) with temperament in 12-month-old infants.

@article{Auerbach2001TheAO,
  title={The association of the dopamine D4 receptor gene (DRD4) and the serotonin transporter promoter gene (5-HTTLPR) with temperament in 12-month-old infants.},
  author={Judith G. Auerbach and Michal Faroy and Richard E Ebstein and Michael J. Kahana and Joan Levine},
  journal={Journal of child psychology and psychiatry, and allied disciplines},
  year={2001},
  volume={42 6},
  pages={777-83}
}
This study examined the association between two common polymorphisms, the dopamine D4 receptor (DRD4) gene and the serotonin transporter promoter (5-HTTLPR) gene and temperament in 61 infants aged 12 months. Twenty-two infants had a least one copy of the 6-8 repeat DRD4 alleles (L-DRD4) and 39 had two copies of the 2-5 repeat allele (S-DRD4). Twenty infants were homozygous for the short form (s/s) of 5-HTTLPR while 41 were either heterozygous for the short and the long form (l/s) or were… CONTINUE READING
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