← Glossary
Marker

rs16969968

rs16969968 is a CHRNA5 missense variant, c.1192G>A and p.Asp398Asn. Among people who smoke, each forward-strand A copy has a small link to smoking more and to stronger nicotine-dependence measures. It does not predict whether someone will start smoking, quit, or develop dependence.

Traits rs16969968 reads

Gene

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.