Microevolution is defined as a change in allelefrequencies in a population over generations. Please explain whatan allele is, in genetic terms. Name the three major factorsinvolved in allele frequency changes in populations. Describe, indetail, how natural selection works on individuals, while evolutionoccurs in populations. Include a real or hypothetical example ofthe process of natural selection in your answer other thaninsects and insecticide!Identify the specific natural selection pressure and the specifictrait being selected for in your example.