The A (Minor) allele is associated with:

  • Limited homocysteine in the body
  • Increased risk of sulfur toxicity if too much sulfur is ingested due to lower homocysteine levels
  • Increased risk of issues when detoxifying ammonia.


Parent Gene: CBS

Importance: 1
Less common allele: A = 30%
More common allele: G = 70%
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