Evolution of vertical and oblique transmission under fluctuating selection

BioRxiv : the Preprint Server for Biology
Yoav RamMarcus W Feldman


Vertical and oblique cultural transmission of a dichotomous phenotype is studied under constant, periodic 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.

Related Concepts

Gene Polymorphism
Vertical Disease Transmission
Recombination, Genetic
Disease Transmission
Laboratory Culture
Genetic Polymorphism
Migration, Cell
Phenotype Determination
Mutation Abnormality
Population Group

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