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What kind of selection is demonstrated in this example? Is the equilibrium point under this type of selection stable or unstable? What is the long-term fate of A and a alleles in this population?


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Question 1:

This example looks like either directional selection (an advantageous allele enters a population and displaces the previously existing allele) or purifying selection (selection to eliminate harmful alleles from the population). In either case, the A allele displaces the a allele. The choice you make depends on whether A is an ...