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Heritability of autism

OrangeJuice

Hey everyone

I've a sister who was diagnosed with autism at a young age. I never really thought much about it because shes on the higher end of the spectrum and have only really been looking into the condition until recently

I was hoping someone here would be able to help me find out the odds of having a child with autism given that they have a sibling with the condition.

Does anyone know if such a statistic has been documented?

Parents
  • Former Member
    Former Member

    No single gene has been identified as I understand it but there are likely to be a number of genes that can combine in lots of different combinations.

    The development of a problem depends on the genes but also on the upbringing. Because of the genetic link it is common that one or both of one's parents were affected more or less so you get a double whammy of susceptible genes combined with an "odd" upbringing.

    This needs to be understood - your parents would have had no idea about the condition. Most parents only discover the autism in their genes after someone gets a diagnosis.

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  • Former Member
    Former Member

    No single gene has been identified as I understand it but there are likely to be a number of genes that can combine in lots of different combinations.

    The development of a problem depends on the genes but also on the upbringing. Because of the genetic link it is common that one or both of one's parents were affected more or less so you get a double whammy of susceptible genes combined with an "odd" upbringing.

    This needs to be understood - your parents would have had no idea about the condition. Most parents only discover the autism in their genes after someone gets a diagnosis.

Children
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