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heteroploidy in Medicine

heteroploidy

(hĕtər-ə-ploi′dē)
n.
  1. The state of an individual or cell possessing a chromosome number other than the normal diploid number.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.