Genetic Predisposition?
Question by Bill D: Genetic predisposition?
My sister related her granddaughter had an amniocentesis before birth and it indicated she did not have a genetic predisposition for addiction.
Can this predisposition be determined by this type of genetic test or any genetic test?
Best answer:
Answer by malica
The belief that addiction is genetic (instead of environment – it’s hard to determine if both your parents were alcoholic, was it your genes or your environment that makes you more likely to be an alcoholic) has not yet even been proven – yet alone determining which chromosome would actually contain any particular marker for such a thing.
On top of that, an amniocentesis is a risky procedure – about 1 in 200 causing labour. So they reserve the test for detrimental and extremely serious conditions like trisomy 18 or Downs. No one would risk going into early labour (and losing the child) just to determine if someone is predisposed for addiction even if such a test existed.
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