Evolution of vertical and oblique transmission under fluctuating selection

Proceedings of the National Academy of Sciences of the United States of America
Yoav RamMarcus W Feldman

Abstract

The evolution and maintenance of social learning, in competition with individual learning, under fluctuating selection have been well-studied in the theory of cultural evolution. Here, we study competition between vertical and oblique cultural transmission of a dichotomous phenotype under constant, periodically cycling, and randomly fluctuating selection. Conditions are derived for the existence of a stable polymorphism in a periodically cycling selection regime. Under such a selection regime, the fate of a genetic modifier of the rate of vertical transmission depends on the length of the cycle and the strength of selection. In general, the evolutionarily stable rate of vertical transmission differs markedly from the rate that maximizes the geometric mean fitness of the population. The evolution of rules of transmission has dramatically different dynamics from the more frequently studied modifiers of recombination, mutation, or migration.

References

May 1, 2019·PLoS Computational Biology·Laurel FogartyMarcus W Feldman
Apr 6, 2020·Bulletin of Mathematical Biology·Omri Tal, Tat Dat Tran

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Related Concepts

Gene Polymorphism
Vertical Disease Transmission
Genetics, Population
Recombination, Genetic
Disease Transmission
Laboratory Culture
Learning
Genetic Polymorphism
Impacts, Environmental
Migration, Cell

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