#chromosome  a threadlike body in the cell nucleus that carries the genes in a linear order
  supertype:  body.natural_object  an individual 3-dimensional object that has mass and that is distinguishable from other objects; "heavenly body"
  subtype:  sex_chromosome  autosome  acentric_chromosome  acrocentric_chromosome  metacentric_chromosome  telocentric_chromosome
  part of:  cell_nucleus
  part:  nucleolus_organizer__nucleolusorganizer__nucleolar_organizer__nucleolarorganizer  the particular part of a chromosome that is associated with a nucleolus after nuclear division
  part:  gene  a self-replicating protein molecule that occupies a fixed place on a chromosome; a unit of heredity
  part:  chromatid  one of two identical strands into which a chromosome splits during mitosis
  part:  centromere  a specialized condensed region of a chromosomes that appears during mitosis where the chromatids are held together to form an X shape

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