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  • Increased MAOA activity and levels of MAOA (GG).
  • Reduced MAOA activity and levels of MAOA (TT).

The Minor "G" allele is associated with:

  • People who produce more MAO-A protein (G or GG) aren't as affected by the placebo effect (R).
  • Increased outward anger in females and aggression in males.


Parent Gene: MAOA

Importance: 4
Less common allele: G = 38%
More common allele: T = 62%
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