Question

If a mutation introduces a new skin color in a lizard population, which factor might determine whether the frequency of the new allele will increase?
(2 points)
how many other alleles are present
how many phenotypes the population has
whether the mutation makes some lizards more fit for their environment than other lizards
whether the mutation was caused by nature or by human intervention

Answer 1

Whether the mutation makes some lizards more fit for their environment than other lizards.

Answer 2

If it helps some lizards to survive when others don't, the frequency of the mutated allele will increase over the generations.