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Down's syndrome associated with two Robertsonian translocations, 45,XX,−15,−21,+t(15q21q) and 46,XX,−21,+t(21q21q)
  1. Leonard Atkins,
  2. Christos S. Bartsocas
  1. James Homer Wright Pathology Laboratories of the Massachusetts General Hospital, Boston, Massachusetts, USA


    A female infant with Down's syndrome was found to be a chromosomal mosaic with two cell lines in both blood and skin cells. One line carried a balanced 15/21 translocation, and the other line was effectively trisomic for chromosome 21 with a 21/21 translocation.

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