(redirected from Pleiotrophy)
Also found in: Medical, Encyclopedia.
Related to Pleiotrophy: epistasis, pleiotropism


 (plī-ŏt′rə-pē) also plei·ot·ro·pism (-pĭz′əm)
n. Biology
The production of diverse effects, especially the production by a single gene of several distinct and seemingly unrelated phenotypic effects.

[Greek pleiōn, more; see pelə- in Indo-European roots + -tropism.]

plei′o·tro′pic (plī′ə-trō′pĭk, -trŏp′ĭk) adj.


(plaɪˈɒ trə pi)

the phenomenon of one gene affecting more than one phenotypic characteristic.
plei`o•trop′ic (-əˈtrɒp ɪk, -ˈtroʊ pɪk) adj.
plei`o•trop′i•cal•ly, adv.
Mentioned in ?
References in periodicals archive ?
Correlation between the characters may be due to either pleiotrophy or genetic linkage [2; 9].
The prevailing theory is that pleiotrophy evolves under natural selection to match the patterns of functional and developmental interdependencies among traits (Reidl, 1977; Cheverud, 1982; Wagner, 1988; Ehrich et al.