For most people the ideas of genes and traits recall a few scattered facts from their primary schooling on Mendel and his pea plants; short ones, tall ones, Punnett squares and the like. When it comes it comes to simple traits, like eye color, people may think that it is only a matter of some combination of dominant or recessive genes, i.e. BB, Bb, or bb. As it turns out, eye color is more genetically complex than this. So one could imagine that solving the genetic mysteries behind autism are even more complex.

In a recent review of autism research, Brent More >