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Following the Dynamics of Structural Variants in Experimentally Evolved Populations
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Group-level traits can be studied with standard evolutionary theory.

Thomas C Scott-Phillips1, Thomas E Dickins2

  • 1Evolutionary Anthropology Research Group,Durham University,Dawson Building,South Road,Durham DH1 3LE,UK.t.c.scott-phillips@durham.ac.ukhttp://thomscottphillips.wordpress.com.

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Summary

This commentary argues that evolutionary theory, even the gene-centric approach, can explain group-level traits. It suggests the target article overlooked key topics like cultural epidemiology and individual differences in its analysis.

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Area of Science:

  • Evolutionary biology
  • Psychology
  • Cultural epidemiology

Background:

  • The target article critiques orthodox, gene-centric evolutionary theory.
  • The article focuses on group-level traits but narrows its scope.
  • It does not engage with existing literature on group-level traits within orthodox theory.

Purpose of the Study:

  • To highlight the limitations of the target article's narrow approach.
  • To demonstrate the relevance of orthodox evolutionary theory to group-level traits.
  • To suggest additional relevant topics for discussion.

Main Methods:

  • Conceptual analysis and critique of the target article.
  • Identification of overlooked topics (cultural epidemiology, psychology of individual differences).
  • Argumentation for the explanatory power of orthodox evolutionary theory regarding group traits.

Main Results:

  • The target article's scope is narrower than warranted.
  • Orthodox evolutionary theory offers substantial explanations for group-level traits.
  • Key areas like cultural epidemiology and individual differences were omitted.

Conclusions:

  • The target article's rejection of orthodox evolutionary theory is premature.
  • A broader consideration of evolutionary perspectives is needed for understanding group-level traits.
  • The commentary provides a framework for a more comprehensive evolutionary analysis.