Genetics the condition in which a single gene exerts simultaneous effects on more than one character in the offspring
Origin of pleiotropypleio- + -tropy
The production of diverse effects, especially the production by a single gene of several distinct and seemingly unrelated phenotypic effects.
Origin of pleiotropyGreek pleiōn more ; see pelə-1 in Indo-European roots. -tropism
(countable and uncountable, plural pleiotropies)