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Question: In a population of crayfish, the width of the telson has a mean value of 110 mm and a narrow sens…


In a population of crayfish, the width of the telson has a mean value of 110 mm and a narrow sense heritability of 0.8. A new predatory fish is introduced into the stream where these crayfish live. The crayfish with a narrower telson are less able to escape the fish. The mean width of the crayfish who survive and reproduce is 130. What will the telson width be in the next generation?

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In a population of crayfish, the width of the telson has a mean value of 110 mm and a narrow sense heritability of 0.8. A new predatory fish is introduced into the stream where these crayfish live. The crayfish with a narrower telson are less able to escape the fish. The mean width of the crayfish who survive and reproduce is 130. What will the telson width be in the next generation?

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