The concept of race in our society.

Consider the concept of race in our society. In a post of at least 250 words, answer the following questions:
Are racial categories biologically or culturally constructed?
What does it mean to say that genes are “probabilistic rather than deterministic?
Why is it false to say that one racial group is smarter, stronger, or better athletes than other racial groups?
Why is ethnicity more inclusive categorization method?