Which of the Following Is True About the Factors That

question 115

Multiple Choice

Which of the following is true about the factors that contribute to autism spectrum disorder (ASD) ?

• A)Researchers have been able to identify a specific gene that causes ASD, thereby disproving the notion that ASD is a result of a combination of genes.
• B)Children with ASD have a higher than average rate of other genetic disorders associated with cognitive impairment, including fragile X syndrome and PKU.
• C)Children with ASD are no more likely than other children to have prenatal and birth complications.
• D)Neuroimaging studies have found few structural and functional deficits in the brains of individuals with ASD, thereby strengthening the role of environmental factors.