#chromatid  one of two identical strands into which a chromosome splits during mitosis
  supertype:  #fibril__filament__strand  a very slender natural or synthetic fiber
  part of:  #chromosome  a threadlike body in the cell nucleus that carries the genes in a linear order
     part of:  #cell_nucleus__nucleus__nucleu__karyon  a part of the cell containing DNA and RNA and responsible for growth and reproduction
        part of:  #cell  the basic structural and functional unit of all organisms; cells may exist as independent units of life (as in monads) or may form colonies or tissues as in higher plants and animals
           part of:  #living_thing__organism__being  a living (or once living) entity that has (or can develop) the ability to act or function independently

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