Who believed that our personality traits are influenced by our genetic inheritance?

Bonus question: according to wikipedia, in chinese philosophy yin and yang "describes how seemingly opposite or contrary forces may actually be complementary, interconnected, and interdependent." what are some examples from the story that amy tan may have intentionally incorporated elements of yin and yang philosophy into this story? select 2.

Who is the speaker in this excerpt from book 13 of homer’s odyssey, and what inference can you make from the tone?

What where 3 negative things about the georgia state flag