試題詳解

53. In a large population of a plant species, which of the following situations is the least likely to change allele frequencies within the population?
(A) A forest fire destroys most of individuals in the population
(B) Radioactive fallout from an accident at a nuclear power plant
(C) Microhabitats within the range of the population where certain phenotypes have a better chance of surviving
(D) The preference of a pollinator for a certain flower color
(E) Wind pollination of the flowers