Definition of "chromosome" []

• A threadlike linear strand of DNA and associated proteins in the nucleus of eukaryotic cells that carries the genes and functions in the transmission of hereditary information. (noun)
• A circular strand of DNA in bacteria that contains the hereditary information necessary for cell life. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Genitourinary malformations in chromosome 22q11. 2 deletion."
• "JRA-like polyarthritis in chromosome 22q11. 2 deletion syndrome (DiGeorge anomalad/velocardiofacial syndrome/conotruncal anomaly face syndrome)."
• "Lack of correlation between impaired T cell production, immunodeficiency, and other phenotypic features in chromosome 22q11. 2 deletion syndromes."