Family studies of persons with autism suggest that
A) twins are often autistic savants.
B) when one twin has autism, it is unlikely that the other twin will be affected.
C) there are no genetic factors involved in autism.
D) siblings of children with autism are more likely to show the condition than are other children.
E) if one identical twin has autism, the other twin is no more likely to have the condition than are other children.

Question

Quizplus · Accepted Answer

Studies on families with autism have shown that siblings of children with autism have a higher likelihood of being affected by the condition compared to the general population. This suggests a genetic or familial component to the disorder.

Family Studies of Persons with Autism Suggest That