Your result, the one DNA position behind it, and what the research says.
5/10 confidence.
This variant sits right next to DRD2, the gene that builds the brain's D2 dopamine receptor - a central piece of the reward and motivation circuit. Some studies have linked it to fewer D2 receptors and to differences in how strongly the brain responds to rewards. The findings are mixed, so it's one small factor at most - motivation and habits depend far more on your environment and the rest of your genome.
Good to know: Findings are mixed - treat this as background, not a verdict on your motivation. Reward and habits are driven far more by environment and learning. This marker sits beside DRD2 rather than inside it.
Fun fact: Dopamine isn't really the 'pleasure' chemical - it drives wanting and motivation more than enjoyment itself.
Discovery: This Taq1A variant was linked to dopamine receptors in the 1990s.
The single variant behind this trait
Gene: ANKK1/DRD2
Location: Chr 11:113,400,106
dbSNP rs1800497
Content updated September 2026.
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