Does DNA have an effect on sexual preferences?

1) If our DNA is the recipe to make us, is our personality and decisions influenced by our DNA?
2) Does DNA have an effect on sexual preferences?
3) What is the impact of DNA on hereditary mental disabilities, anxiety and depression?
4) How much DNA impacts physical characteristics such as skin tone, height, hair color, eye color, etc…? Now analyze how these physical characteristics are perceived and appreciated in American society. Do how you look affect how people treat you in society? Do how you look affect your personality?

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