It goes beyond that. The fear is that genetics will show that people are in fact not blank slates, and even further that there advantageous and disadvantageous

It goes beyond that. The fear is that genetics will show that people are in fact not blank slates, and even further that there advantageous and disadvantageous traits common to groups of people. I'm sure you can surmise the implications of this. Evolutionary biology has been making steady gains in the "nature not nurture" department and it has become an absolute lighting rod to discuss.