Can asperger's be genetic. husband has it and 22 month old son is 40% delayed in both communication & socialization. started therapy >6 months ago.

Genetic component: Yes, many of these conditions have an identified genetic component. A lot of the problems have been traced to sites on chromosome 16. More than not, however, remain unexplained, and are probably a combination of genetics and environment. You have done the right thing beginning therapy at 16 months. The sooner intervention begins, the better the outcome.

Yes, but not always.: Autism spectrum disorders can definitely be genetic. It is recommended that all children with a new diagnosis of an autism spectrum disorder undergo genetic testing. Only about 30% actually have an identifiable cause found.