Probably not: The cause of autism remains unclear. However, there is no current evidence for a genetic link.
Answered 4/19/2012
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Maybe, but not much: Genetic influences with autism are actually quite strong--identical twins have a nearly 100% concurrence of the diagnosis in some studies. However, there is no single gene, and inheritance is quite complicated. Here's a good overview: http://en.Wikipedia.Org/wiki/heritability_of_autism.
Answered 11/27/2017
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