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What is the name of the hypothesis that Fisher describes regarding sexual selection?

  • Fisherian runaway

  • Hamilton’s rule

  • Kettlewell’s model

  • Hardy-Weinberg principle

Answer

The Fisherian runaway hypothesis suggests that female mate choice and male ornamentation coevolve in a positive feedback loop. Over evolutionary time, females may develop a preference for more exaggerated male ornaments, leading males to evolve more extreme versions of these traits. This can result in a "runaway" process of ever-increasing male ornamentation and female preference.
The Fisher Phenomenon: An Engaging Quiz on the Life and Contributions of Ronald Fisher

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