Please provide detailed answers for the following questions What is a polymorphic trait? Provide two examples of polymorphic traits in modern humans, and give one example of a monomorphic trait. Why is the incidence of sickle-cell anemia an excellent example of a “balanced polymorphism,” in which two or more alleles are maintained by natural selection in a population? Why is the peppered moth an excellent example of directional selection? Some advice: while you will be using the book and internet for your answers, cite when needed, and make the posts your own.
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