Abstract

Results obtained by the application of the Penna model to problems of evolutionary theory are reviewed. The genesis of diploid organisms is studied and compared to other forms of polyploidity. The addition of phenotype-dependent selection and its consequences, considering ecological and/or sexual selection traits, are discussed. This addition made possible the analysis of the mechanism through which sympatric speciation may be driven by changes in the ecology, and the microscopic validation of the handicap principle.

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