Does ethnicity play a huge role on what your potential height will be? is it by nutrition/lifestyle? or is it mainly on what ethnic group you are in?

Genetics: It is about the genetics of your mother and father and then about the genetics of their mothers and fathers.

Genetic: It's genetic and since you are derived from your ancestors it's a good chance this true. There are some exceptions... If you nutr ion ally deprived. And there's this thing called regression to the mean. But otherwise genetics.