Does having the genes for autism affect your iq?

[JeanneDArcAlter]

My brother is like mid functioning autism, in between the retarded niggas who just sit in their rooms all day hitting themself and making noises and the niggas who are just socially awkward
He seems pretty low iq/ low sentience because of it

 

[JeanneDArcAlter]

Bump

 

[Godera]

They can seem dumber than they are, because theyre slow cognitively