Definition of pleiotropic in US English:

pleiotropic

adjective

Genetics
  • See pleiotropy

    • ‘Many mutants died or showed pleiotropic defects casting doubt on the specificity of their retinal phenotype and were not included in this report.’
    • ‘Similarly, mutations within the Drosophila CBP homolog have wide-ranging pleiotropic phenotypes.’
    • ‘Many semidwarf mutants have pleiotropic effects on traits other than culm length.’
    • ‘Conservation of this function in humans may explain many of the pleiotropic phenotypes of cartilage hair hypoplasia.’
    • ‘There appears to be a common logic that can be discerned behind the list of these pleiotropic changes in cell metabolism.’

Pronunciation

pleiotropic

/ˌplīəˈtrōpik/