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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
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With regard to enzymes, key is to lock as a) substrate is to activation energy eliminate b) product is to substrate. c) enzyme is to active site. d) substrate is to active site.
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What is a polymorphic trait? provide two examples of polymorphic traits in modern humans, and give...
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