Question

Autism spectrum disorders are a large group of neurodevelopmental impairments that affect language, social and cognition....

Autism spectrum disorders are a large group of neurodevelopmental impairments that affect language, social and cognition. What type of studies could you carry out to get evidence of the genetic basis of ASD?

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Answer #1

Maybe the biggest advance in understanding autism pathophysiology has been appreciating an significant genetic link to the etiology of ASD. Three key areas of evidence support genetic etiology in ASD: Twin studies, comparison of monozygotic twins (MZ) and dizogotic twins (DZ), family studies measuring the prevalence of autism in first-degree relatives of affected probands versus population, and studies of unusual genetic syndromes with a comorbid autism diagnosis.

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