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Published online 24 July 2007 | Nature | doi:10.1038/news070723-1

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New mutations implicated in half of autism cases

Disorder linked to genetic differences between parent and offspring.

Half of all cases of male autism may be caused by spontaneous genetic mutations, say researchers who have studied the genetic patterns of the condition. Offspring who inherit such mutations are at a greater risk of having an autistic child themselves.

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