#chromatin  the readily stainable substance of a cell nucleus consisting of DNA and RNA and various proteins
  supertype:  #body_substance  the substance of the body
  subtype:  #sex_chromatin  chromatin found only in female cells; "the presence or absence of sex chromatin in cells obtained by amniocentesis makes it possible to determine the sex of a fetus"
  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

No statement uses or specializes #chromatin; click here to add one.