DRD2 is associated with fear in some dog breeds

In this study, we found 8 SNPs in the DRD2 gene of the Havanese, a breed that shows large variation in a behavioral phenotype that manifest itself as a tendency to react fearfully by withdrawing in social situations.

Source: Journal of Veterinary Behavior: Clinical Applications and Research - August 1, 2018 Category: Veterinary Research Authors: Kim K.L. Bellamy, Linn Mari Storengen, Karin W. Handeg ård, Ellen F. Arnet, Kristin W. Prestrud, Karen L. Overall, Frode Lingaas Source Type: research