A mutation exists in a gene that controls hair growth on the middle digit of human fingers. Some people have mid-digital hair, while others do not. The gene can be passed from one generation to the next. Which explanation best predicts what should happen to this trait over time?
A change exists in a quality that controls hair development on the center digit of human fingers. A few people have mid-computerized hair, while others don't. The frequency of mid-advanced hair won't change since it offers no specific preferred standpoint or detriment.
