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pleiotropy |
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pleiotropy /plei·ot·ro·py/ (-pe) the production by a single gene of multiple phenotypic effects.pleiotrop´ic
pleiotropy [plī·ot′rəpē] Etymology: Gk, pleion, more, trepein to turn the production by a single gene of a complex of unrelated phenotypic effects. The effects may be a manifestation of a particular disorder, such as the cluster of symptoms in Marfan's syndrome; aortic aneurysm; dislocation of the optic lens; skeletal deformities; and arachnodactyly, any or all of which may be present. pleiotropic, adj. pleiotropy [pli-ot´rŏ-pe] the production by a single gene of multiple phenotypic effects. The term is often used to refer to a single gene defect that is expressed as problems in multiple systems of the body, such as in osteogenesis imperfecta, where the gene causes defects in several different systems that contain collagen.
pleiotropism, pleiotropy the production by a single gene of multiple phenotypic effects. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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