intertwined...efforts continue in the 'Nature' arena to understand the interplay of genetics, hormone development, etc, but no conclusive determinations have been made thus far....on the 'Nurture' side, we can find "Education" efforts actually being applied (e.g. Europe/Scandinavia and the macro data i.e. Abortion Rates...STDs...Rapes) with definably beneficial benefits...
There's no need to focus on one sphere to the exclusion of the other, as most investigators would admit both apply.