Is it possible to separate the roles of our genetic inheritance from our environment? Genome-wide association studies (GWAS) and polygenic scores have tried to look at the genetic component. But it turns out that polygenic scores vary as much with our "not inheritable characteristics" -- like years of schooling -- as they do with our race or ethnicity. 
The technique has been around since the early 90s, first being used only in cases for cystic fibrosis. Now, it is approved for more than 250 conditions.