The G (major) allele is associated with:

  • Each copy of the common G allele was associated with a increase in the number of psychosomatic symptoms (R).
  • GG= 2.58X increased risk for early onset OCD [R].
  • No association with risk for bipolar disorder or suicidal behavior [R] or autism [R].
  • Increased risk of ADHD [R].

rs4565946

Parent Gene: TPH2

Importance: 3
Less common allele: T = 28%
More common allele: C = 72%
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