Gene
HERC2
HERC2 contains a regulatory element that helps control the neighboring OCA2 pigmentation gene. rs12913832 changes this enhancer and has a large association with iris pigmentation. Common genotypes still span several eye colors, so this marker is one clue rather than an exact predictor.
Traits HERC2 shapes
Markers (rsIDs)
Reference databases
How Biome reads this
Biome's whole-genome test reads this from one saliva sample, alongside all 3.2 billion letters of your DNA.
Biome DNA test →This page is for educational purposes only and is not medical advice. It is not intended to diagnose, treat, cure, or prevent any disease. Genetic results describe tendencies and predispositions, not diagnoses. Always consult a licensed clinician before making decisions about your health, medications, or supplements.