The C (major) allele is associated with:

  • CC and CG cause increased risk for ADHD (R).

This SNP is associated with (unknown alleles):

  • Reduced transcription of SNAP25 protein in the brain, this leads to difficulties in regulating inhibition and attentiveness [R]

  • Increased risk of ADHD [R].



Parent Gene: SNAP25

Importance: 2
Less common allele: T = 13%
More common allele: C = 87%
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