Pronunciation: ( ju-net'iks), [key]
—n. (used with a sing. v.)
1. Biol.the science of heredity, dealing with resemblances and differences of related organisms resulting from the interaction of their genes and the environment.
2. the genetic properties and phenomena of an organism.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.