In the ever expanding quest for knowledge about the causes of autism, these findings strike a blow on one level and may provide relief on another. There has been great hope that studying the genetic mutations in siblings with autism will help us to learn more about the disorder. Finding that many siblings with autism have different DNA mutations eliminates the possibly of discovering connections or patterns that could help us better pinpoint the causal factors. But, it may allow parents who have a child with autism to feel more comfortable about having a second child.
'Lightning Striking Twice': Autism Genes Randomly Mutated, Study Finds
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