If a mutation creates a new fur color in a wolf population, what factor might determine whether the frequency of the new trait will go up?
A. how many other alleles are present
B. whether the mutation was caused by nature or by human intervention
C. how many phenotypes the population has
D. whether the mutation makes some wolves more fit for their environment than other wolves

Question

If a mutation creates a new fur color in a wolf population, what factor might determine whether the frequency of the new trait will go up?
  A. how many other alleles are present 	
  B. whether the mutation was caused by nature or by human intervention 	
  C. how many phenotypes the population has 	
  D. whether the mutation makes some wolves more fit for their environment than other wolves