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  • The Effect of Selection on the Phenotypic Variance ...

    1993-7-1 · E. E. Shnol and A. S. Kondrashov Institute of Mathematical Problems of Biology, Pushchino, Moscow Region, 142292, Russia We consider the within-generation changes of phenotypic variance caused by selection w(x) which acts on a quantitative trait x. If before selection the trait has Gaussian distribution, its variance decreases if the second derivative of the logarithm of w(x) is negative for ...

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