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The Hermaphrodite's Dilemma.

J L Leonard1

  • 1Department of Zoology, University of Oklahoma, Norman 73019.

Journal of Theoretical Biology
|December 7, 1990
PubMed
Summary
This summary is machine-generated.

Sexual conflict shapes mating strategies in simultaneous hermaphrodites, framing it as a strategic game. This conflict may stabilize hermaphroditism through reciprocal mating systems with potential for cheating.

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Area of Science:

  • Evolutionary biology
  • Game theory
  • Behavioral ecology

Background:

  • Simultaneous hermaphrodites possess both male and female reproductive organs.
  • Mating encounters in these species can involve complex strategic interactions.
  • Understanding these interactions is crucial for evolutionary insights.

Purpose of the Study:

  • To model mating encounters between simultaneous hermaphrodites as a strategic game.
  • To investigate the role of sexual conflict in hermaphroditic mating systems.
  • To explore how sexual conflict may influence the stability of hermaphroditism.

Main Methods:

  • Developed a conditional, non-zero sum game of strategy, the Hermaphrodite's Dilemma.
  • Analyzed special cases including the Prisoner's Dilemma and the Game of Chicken.

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  • Applied game theory principles to predict mating system dynamics.

    • Main Results:

    • Hermaphrodite mating systems are predicted to involve reciprocation.
    • Cheating in a preferred sexual role is a likely strategy.
    • The Hermaphrodite's Dilemma provides a framework for understanding these interactions.

    Conclusions:

    • Sexual conflict is a key factor in hermaphrodite mating systems.
    • Reciprocal strategies, including cheating, are predicted outcomes.
    • Sexual conflict may play a role in stabilizing hermaphroditism.