Genetics, Vol. 156, 893-898, October 2000, Copyright © 2000

The Evolution of Haploid, Diploid and Polymorphic Haploid-Diploid Life Cycles: The Role of Meiotic Mutation

David W. Halla
a Section of Integrative Biology, University of Texas, Austin, Texas 78712-1064

Corresponding author: David W. Hall

Communicating editor: M. SLATKIN

Here I present a simple population genetic model to investigate the evolution of polymorphic haploid-diploid life cycles. The key feature of the model is the assumption of mutation occurring during meiosis. I show that, in addition to regions favoring haploid or diploid life cycles, there are substantial regions of the parameter space under which polymorphic haploid-diploid life cycles are expected to evolve.





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