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Medical Term:

nonpenetrant trait

 

Definition: a genetic trait that is not phenotypically manifest because of nongenetic factors; it therefore does not include recessivity, epistasis, hypostasis, or parastasis but does include environmental factors and pure random effects such as lyonization.

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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