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pleiotropy

[plahy-o-truh-pee] /plaɪˈɒ trə pi/
noun, Genetics.
1.
the phenomenon of one gene being responsible for or affecting more than one phenotypic characteristic.
Origin
1935-1940
1935-40; pleio- + -tropy
Related forms
pleiotropic
[plahy-uh-trop-ik, -troh-pik] /ˌplaɪ əˈtrɒp ɪk, -ˈtroʊ pɪk/ (Show IPA),
adjective
pleiotropically, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Word Origin and History for pleiotropically

pleiotropy

n.

1921, from German pleiotrop (1910), from Greek pleion "greater in quantity, the more part, very many," (see pleio-) + trope "turn, turning" (see trope). Related: Pleiotropic; pleiotropism.

Online Etymology Dictionary, © 2010 Douglas Harper
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