PhysOrg Posted July 8, 2020 Share Posted July 8, 2020 Classical quantitative genetics has found that most phenotypes are polygenic traits. Under this polygenic model, natural selection often acts on many loci simultaneously, resulting in the combination of a few loci with major effects and many loci with small effects controlling adaptive changes in phenotypes, which presents challenges to the understanding of the genetic basis underlying polygenic traits.View the full article Quote Link to comment Share on other sites More sharing options...
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