单词	pleiotropy
释义	pleiotropy noun plei·​ot·​ro·​py plī-ˈä-trə-pē  genetics : the phenomenon of a single gene influencing two or more distinct phenotypic traits : the quality or state of being pleiotropic In genetics, there's a concept called pleiotropy, which posits that a single gene can influence multiple traits. [Steven] Tanksley suggests there's substantial evidence that at least some domesticated fruits selected for greater size were also altered in shape because both traits were controlled by the same selected gene or set of genes. Scott LeFee Word History First Known Use 1921, in the meaning defined above Medical Definition pleiotropy noun plei·​ot·​ro·​py plī-ˈä-trə-pē  plural pleiotropies : the quality or state of being pleiotropic
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