| December 7, 2015

Wild turkeys are dramatically sexually dimorphic; domestic turkeys are far less so. Suppose that female wild turkeys chose males on the basis of expensive traits that indicate disease resistance and that artificial selection for rapid weight gain in domestic turkeys destroys female choice. What would you predict about the evolution of disease resistance in domestic turkeys? If we observe that domestic turkeys are less resistant, does that necessarily mean that wild females had been choosing more-resistant males, or are other hypotheses equally plausible? Please include at least one scientific research article to support your response.

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Category: Biology

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