“This is a seam that will run throughout this book, confronting and dispelling the culturally ubiquitous idea that genes are fate, and a certain type of any one gene will determine exactly what an individual is like. That this is a fallacy is universally known among geneticists, yet it is still an idea that carries a lot of cultural significance, fueled frequently by the media and an ultra-simplistic understanding of the absurd complexities of human biology.”