Recent Submissions

• Evolution of the Two Sexes under Internal Fertilization and Alternative Evolutionary Pathways 

  Lehtonen, Jussi; Parker, Geoff A

  Published 2019-01-01

  Transition from isogamy to anisogamy, hence males and females, leads to sexual selection, sexual conflict, sexual dimorphism, and sex roles. Gamete dynamics theory links biophysics of gamete limitation, gamete competition, ...

  Open Access

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• Kin Selection 

  Lehtonen, Jussi

  Published 2020-01-01

  A foundational component of social evolution theory and a broader view of natural selection where fitness effects on genetic relatives are explicitly accounted for. Kin selection is particularly well known as an explanation ...

  Book chapter
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• Superorganismal anisogamy: Queen-male dimorphism in eusocial insects 

  Lehtonen, Jussi; Helanterä, Heikki

  Published 2020-01-01

  Colonies of insects such as ants and honeybees are commonly viewed as ‘superorganisms’, with division of labour between reproductive ‘germline-like’ queens and males and ‘somatic’ workers. On this view, properties of the ...

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• Longevity and the drift barrier: Bridging the gap between Medawar and Hamilton 

  Lehtonen, Jussi

  Published 2020-01-01

  Most organisms have finite life spans. The maximum life span of mammals, for example, is at most some years, decades, or centuries. Why not thousands of years or more? Can we explain and predict maximum life spans ...

  Article
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• The Price equation and the unity of social evolution theory 

  Lehtonen, Jussi

  Published 2020-01-01

  The Price equation has been entangled with social evolution theory from the start. It has been used to derive the most general versions of kin selection theory, and Pricehimselfproduced a multilevel equation which providesan ...

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