Conversation so far:
what is the average height of a male human
According to the Centers for Disease Control and Prevention, the average age adjusted height for American men 20 years old and up is about 5 feet 9 inches tall.
what is the average height of a female human
The average height of women varies around the world. In the U.S., the average woman is around 5 feet 4 inches
which country has the tallest population
The Netherlands comes in first for height with its citizens' average heights at 6.03 feet across both genders.
what is the main factor that determines height
The main factor that influences a person's height is their genetic makeup.

Question: what percentage influences height
Self-contained rewrite: what percentage does genetic makeup influence a person's height