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Evolution

Electronic Thesis and Dissertation Repository

Theses/Dissertations

2021

Inclusive fitness

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Effects Of Gene-Environment Interactions On The Evolution Of Social Behaviours, Vonica J. Flear Feb 2021

Effects Of Gene-Environment Interactions On The Evolution Of Social Behaviours, Vonica J. Flear

Electronic Thesis and Dissertation Repository

Inclusive fitness models in sociobiology emphasize the importance of relatedness, R, and synergy, S when exploring the evolution of social behaviours. Very few models explicitly consider ‘role’, or environmental stimuli, influencing the expression of behaviours, and none consider genetic-environment interactions where genotype predisposes individuals to certain roles. I propose a third key variable for inclusive fitness models, Q, which describes the overlooked potential bias in the genetic composition of individuals exposed to an environmental stimulus – here referred to as ‘role’. I describe a model built from Price’s formula which can be presented in a ‘Hamilton’s Rule’ format. …