Which of the following statements is true about autism? 1. Autistic children are more likely to ...

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1. Autistic children are more likely to be born to moms 35 and older and born breech.
2. Genetic mutations relating to autism have been discovered. The disorder is diagnosed prior to age 3, with deficits becoming apparent around 18 months.
3. The disorder is diagnosed prior to age 3, with deficits becoming apparent around 18 months.
4. Autistic children are more likely to be born to moms 35 and older and born breech. The disorder is diagnosed prior to age 3, with deficits becoming apparent around 18 months. Genetic mutations relating to autism have been discovered.