Article
Association between equine temperament and polymorphisms in dopamine D4 receptor gene.
Mammalian genome : official journal of the International Mammalian Genome Society - 1 Jul 2005
Momozawa Yukihide, Takeuchi Yukari, Kusunose Ryo, Kikusui Takefumi, Mori Yuji
Abstract excerpt
The variable number of tandem repeats (VNTR) polymorphism of the dopamine D4 receptor (DRD4) gene has been reported to be associated with the personality trait of novelty-seeking in humans. In the genus Equus, this region includes an 18-bp repeat unit and there are inter- and intraspecies differences in the number of repetitions. Because horses are unique among livestock species in that their temperament is...
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