Genetic relatedness and its causal role in the evolution of insect societies.

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2019
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Abstract
The role of genetic relatedness in social evolution has recently come under critical attention. These arguments are here critically analyzed, both theoretically and empirically. It is argued that when the conceptual structure of the theory of natural selection is carefully taken into account, genetic relatedness can be seen to play an indispensable role in the evolution of both facultative and advanced eusociality. Although reviewing the empirical evidence concerning the evolution of eusociality reveals that relatedness does not play a role in the initial appearance of helper phenotypes, this follows simply from the fact that natural selection - of which relatedness is a necessary component - does not play a causal role in the origin of any traits. Further, separating two logically distinct elements of causal explanation - necessity and sufficiency - explains why the debate lingers on: although relatedness plays a necessary role in the evolution of helping and advanced eusociality, relatedness alone is not sufficient for their appearance. Therefore, if the relatedness variable in a given data set is held at a uniformly high value, then it indeed may turn out that other factors occupy a more prominent role. However, this does not change the fact that high relatedness functions as a necessary background condition for the evolution of advanced eusociality.
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pernu2019geneticjournal Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Pernu, Tuomas K;Helantera, Heikki;
Journal journal of biosciences
Year 2019
DOI
107
URL
Keywords
marketplace medicaid affordable care act welfare exchange deductibles private insurance ciencias de la salud sociedades científicas educación médica enfermedades cardiovasculares atención primaria de salud; aterosclerosis; ciencias de la salud; educación médica; enfermedades cardiovasculares; sociedades científicasatención primaria de salud aterosclerosis

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