GENETIC DRIFT IN A CLINE | Zendy

Montgomery Slatkin | Zendy; Takeo Maruyama | Zendy

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GENETIC DRIFT IN A CLINE

Author(s) -

Montgomery Slatkin,

Takeo Maruyama

Publication year - 1975

Publication title -

genetics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.792

H-Index - 246

eISSN - 1943-2631

pISSN - 0016-6731

DOI - 10.1093/genetics/81.1.209

Subject(s) - cline (biology) , biological dispersal , selection (genetic algorithm) , genetic drift , biology , natural selection , evolutionary biology , statistical physics , statistics , genetic variation , genetics , mathematics , demography , computer science , population , physics , gene , artificial intelligence , sociology

A model is developed of genetic drift in a cline maintained by spatially varying natural selection and local dispersal of individuals. The model is analyzed by an approximation scheme which is valid for weak selection and small migration rates. The results, which are based on numerical iterations of the approximate equations, are that the cline is less steep than predicted on the basis of the deterministic theory but that for weak selection the correlation between random fluctuations in neighboring colonies is approximately the same as in models of migration and drift in the absence of selection.

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