What would the average skin tone and facial features look like after 300 years if every partner relationship was interracial until there were no other ethnicities? Just a hodgepodge of DNA. What would the average human look like having a little bit of everything in them?
I just think the idea is neat is all.
Out of curiosity, I looked up “race” by anthropological terms in the dictionary and discovered that “race” is…
“Ethnicities” might have been a more suitable word choice for your intended query.
Corrected to ethnicities. However it still is used in words like interracial. So it isn’t completely out of our lexicon.