chro·mo·some /ˈkroməˌsom, ˌzom/
  染色體
  chro·mo·some /ˈkroməˌsom, ˌzom/ 名詞
  真周環狀常染色體,染色體
  Chro·mo·some n.  Biol. One of the minute bodies into which the chromatin of the nucleus is resolved during mitotic cell division; the idant of Weismann.
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  chromosome
       n : a threadlike body in the cell nucleus that carries the genes
           in a linear order