DDT is a pesticide (a chemical used to kill insect pests) th…
DDT is a pesticide (a chemical used to kill insect pests) that was widely in use in the United States from the 1940s until 1972. The table summarizes the frequency of a particular allele which makes fruit flies resistant to DDT. Strains Collected from Flies in the Wild in the 1930s Strains Collected from Flies in the Wild in the 1960s Frequency of DDT Resistance Allele 0% 40% Which of the following statements is supported by this data?