Earlier quoted context omitted.
> I guess my next question would be are genetically people that have genetic similarities more likely to have similar interests. If that is the case, it would lead to the politically uncomfortable question of different genders or ethnic groups being more likely to have particular interests.
Ethnic groups are defined by appearance and cultural history, not by genes. Many ethnic groups (e.g. African Americans) are extremely diverse genetically.
I'm sorry, but genes clearly determine appearance.