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n. (used with a sing. verb)
The branch of genetics that deals with the cellular components, particularly chromosomes, that are associated with heredity.
cy′to·ge·net′ic, cy′to·ge·net′i·cal adj.
cy′to·ge·net′i·cist (-sĭst) n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.