Equations for changes in the mean, variance and higher-order moments of a quantitative
trait are used to address the maintenance of heritable variation by mutation-selection …

I will argue that these problems are decoupled in prac-tice, because detailed genetic models
do not make useful predictions conceming the dynamics of the critical variance and …

Models of variability in quantitative traits maintained by a balance between mutation and
stabilizing selection are investigated. The effects of mutant alleles are assumed to be …

Evolutionary models of continuous traits are developed. The models are based on the ideas
that:(1) the phenotype is the result of the interaction between genotype and environment;(2) …

It is unlikely that mutation pressure in favour of completely recessive deleterious genes is
responsible for more than a very little additive genetic variance in fitness. If, however, the …

In the 1st paper of this series [see ABA 44, 6010], a model was formulated for the evolution
of continuous variation. The present paper incorporates 2 modifications. Firstly, the …

The distributions of the mean phenotype and of the genetic variance of a polygenic trait
under a balance between mutation, stabilizing selection and genetic drift are investigated …

Models of the maintenance of genetic variance in a polygenic trait have usually assumed
that population size is infinite and that selection is weak. Consequently, they will …

Polygenic variation can be maintained by a balance between mutation and stabilizing
selection. When the alleles responsible for variation are rare, many classes of equilibria may …

The maintenance of polygenic variation through a balance between mutation and stabilizing
selection can be approximated in two ways. In the 'Gaussian'approximation, a normal …