rs7501331(T;T)

Reduced conversion of beta-carotene to retinol

Magnitude
2.0Worth knowing
Repute
Bad
Frequency
2%Average of 10 populations
On SNPedia
rs7501331(T;T)
Gene
BCO1

Frequency

Share of people with T;T in each HapMap population.

  • Gujarati Indian8%
  • European ancestry (Utah)5%
  • Tuscan4%
  • Mexican ancestry (Los Angeles)4%
  • Japanese (Tokyo)<1%
  • Chinese (Denver)<1%
  • Han Chinese (Beijing)<1%
  • Yoruba (Nigeria)0%
  • African ancestry (Southwest US)0%
  • Maasai (Kenya)0%

Other genotypes of rs7501331

  1. C;CGoodnormalTypical · 0.075% of people
  2. C;TMost notableBadReduced conversion of beta-carotene to retinolWorth knowing · 2.023% of people

All about rs7501331

Notes

From SNPedia

Reduced BCMO1 activity results in 32% lower ability to convert Beta-carotene to retinyl esters and higher serum beta-carotene levels. See also rs12934922.

Source and license

Adapted from rs7501331(T;T) on SNPedia, using a snapshot taken October 16, 2026. SNPedia content is shared under CC BY-NC-SA 3.0 US, and this page is shared under the same license.

SNPedia is a community-edited wiki. Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice. Magnitude is a community rating of how interesting a genotype is, not a risk score.