Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The control by a single gene of several distinct and seemingly unrelated phenotypic effects.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. pleiotropy

Etymologies

Greek pleiōn, more; see pelə-1 in Indo-European roots + -tropism.
(American Heritage® Dictionary of the English Language, Fourth Edition)

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