1. A 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.
2. A circular strand of DNA in bacteria and archaea that contains the hereditary information necessary for cell life.
chro′mo·somal (-sōməl), chro′mo·somic (-sōmĭk) adj.
(click for a larger image)chromosome
replicated Y chromosome (left) and X chromosome (right) during cell division
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