Kada smo sa dece koja rastu u zaista lošim uslovima prešli na decu iz srednje klase, uloga gena je postala važnija, a idući od srednje ka višoj klasi geni postaju sve značajniji i kod najbogatijih geni postaju presudni.
And then as you moved from kids raised in those really terrible circumstances up to kids raised in the middle class, the role of genes became more and more and more important, and once you got to the middle class or better, genes took over, and by the time you got to the wealthiest people in the study, genes were making all the difference.