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| Although there is good evidence to believe that autism is a _____, an adequate understanding of the genetic and non-genetic causes has yet to be achieved. |
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| Over recent decades there has been a major _____ in the rate of diagnosed autism. |
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| The main explanation for the rise of diagnosed autism is to be found in better ascertainment and a broadening of the ____. |
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| Has been shown to be the result, in almost all cases, of a mutant gene on the X chromosome. |
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| Twin data show that the genetic liability _____ the traditional core diagnosis of autism to include a wider spectrum of autistic-like-disorders including the broader phenotype. |
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| The only single gene condition with an established association with ASD is _____. |
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| a rare multi-system genetic disease that causes benign tumors to grow in the brain and on other vital organs such as the kidneys, heart, eyes, lungs, and skin. |
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| In a very small proportion of cases of ASD studies have found a link between the _____ and autism. |
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| The only other established link (re: Intra-Uterine Infections or Toxins) is that between _____ and autism. |
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| is a viral infection acquired from the mother during pregnancy. Signs are multiple congenital anomalies that can result in fetal death. Diagnosis is by serology and viral culture. There is no specific treatment. Prevention is by routine vaccination. |
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| It has generally been found that autism tends to be more common in the _____ in sibships of two. |
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| It has generally been found that autism tends to be more common in the _____ in larger sibships. |
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| The evidence indicates that it is not likely that being a _____ constitutes a major risk factor. |
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| The evidence is consistently _____ the MMR hypothesis. |
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| The findings on the link between Thimerosal ( a preservative in many vaccines) and autism are _____. |
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