pleiotropic gene n.
A gene that causes a number of distinct but seemingly unrelated phenotypic effects. Also called polyphenic gene.
/plaɪˈɒtrəˌpɪzəm/ noun 1. (genetics) the condition of a gene of affecting more than one characteristic of the phenotype pleiotropism plei·ot·ro·pism (plī-ŏt’rə-pĭz’əm) or plei·ot·ro·py (-pē) n. The control by a single gene of several distinct and seemingly unrelated phenotypic effects. plei’o·trop’ic (plī’ə-trŏp’ĭk, -trō’pĭk) adj.
[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. 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.
[plahy-stuh-seen] /ˈplaɪ stəˌsin/ Geology adjective 1. noting or pertaining to the epoch forming the earlier half of the Quaternary Period, beginning about two million years ago and ending 10,000 years ago, characterized by widespread glacial ice and the advent of modern humans. noun 2. the Pleistocene Epoch or Series. /ˈplaɪstəˌsiːn/ adjective 1. of, denoting, or […]
[pli-kah-nawf, -nof; Russian plyi-khah-nuh f] /plɪˈkɑ nɔf, -nɒf; Russian plyɪˈxɑ nəf/ noun 1. Georgi (or Georgy) Valentinovich [gyi-awr-gyee-vuh-lyin-tyee-nuh-vyich] /gyɪˈɔr gyi və lyɪnˈtyi nə vyɪtʃ/ (Show IPA), 1857–1918, Russian philosopher and leader of the Mensheviks. /Russian pljɪˈçɑnof/ noun 1. Georgi Valentinovich (ˈɡjɪorɡji valɪnˈtjinəvjɪʃ). 1857–1918, Russian revolutionary; founder of Russian Marxism and leader of the Russian Social […]