(July 19, 2015 at 1:59 pm)huss88ein Wrote: Ok let's start by the epigenetics why they're using that simple because genetic explanation fails to explain the phenomenon so they r trying to find a new and more rational explanation giving the fact that identical twins are only 20% of times only are both homosexual so they go to epigenetics.
Did you skip the 'Twin Studies' section of the paper?