On the evolutionary significance of Mendel's ratios

Uri Liberman*, Marcus W. Feldman

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Length of time in polymorphism is investigated as a possible evolutionary criterion for Mendel's laws in the case of two alleles at one locus and finite population. Deterministic models with constant and random segregation schemes are investigated. In deterministic models the optimum segregation system depends on the zygotic selection and is Mendelian only in symmetric models. In finite population models the initial gene frequencies interact with the segregation to determine mean time to fixation. In deterministic models with random distortion reduction of the variance of the distortion is more likely to produce polymorphism.

Original languageEnglish
Pages (from-to)1-15
Number of pages15
JournalTheoretical Population Biology
Issue number1
StatePublished - Feb 1980
Externally publishedYes


FundersFunder number
National Science FoundationDEB 77-


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