The Effect of Genetic Linkage on the Mean Fitness of a Population | Zendy

Richard C Lewontin | Zendy

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The Effect of Genetic Linkage on the Mean Fitness of a Population

Author(s) -

Richard C Lewontin

Publication year - 1971

Publication title -

proceedings of the national academy of sciences

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.011

H-Index - 771

eISSN - 1091-6490

pISSN - 0027-8424

DOI - 10.1073/pnas.68.5.984

Subject(s) - recombination , biology , population , genetics , selection (genetic algorithm) , natural selection , fitness function , gene , mathematics , genetic algorithm , mathematical optimization , demography , artificial intelligence , sociology , computer science

If many gene loci are kept in a segregating state by natural selection, the equilibrium frequencies of the genotypes in the population may be a function of the amount of recombination among the genes. It is shown that if the equilibrium vector of gametic frequencies is a continuous function of the set of recombination frequencies among genes, then the mean fitness of the population at equilibrium is a maximum in the absence of recombination. Thus, in general, restriction of recombination increases fitness.

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