The T (minor) allele is associated with:

  • rs7501331(T)+ rs12934922(T)=69% lower conversion of Beta-carotene to retinyl esters.
  • The BCMO1 gene (rs12934922and rs7501331) is known to influence the conversion of beta carotene to vitamin A (R).
  • 57% reduced conversion activity of beta carotene in TT (In test tubes).


Parent Gene: BCO1

Importance: 3
Less common allele: T = 23%
More common allele: A = 77%
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