The emerging truth is far more interesting than a stale antithesis between heredity and environment. Nurture depends on genes, and genes need nurture. Genes not only predetermine the broad structure of the brain; through the pattern of their turning on and off they also absorb formative experiences, react to social cues and even run memory. They are consequences as well as causes of the will.
Buy Nature via Nurture: Genes, Experience, and What Makes Us Human
You can also buy it from my favourite bookshop Aldeburgh Bookshop