G=higher cocaine dependence [R].

GABRA2: cocaine dependence [R]. This SNP in the GABRA2 gene has been linked to Alcoholism.

The strongest association for this SNP is seen when it is a member of a haplotype consisting of the (A) + (T) + (A) alleles [PMID 15024690]. 


Parent Gene: GABRA2

Importance: 1
Less common allele: C = 37%
More common allele: T = 63%
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