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Diplospermy II indicated as the origin of a liveborn human triploid (69,XXX).
  1. B M Page,
  2. E B Robson,
  3. P J Cook,
  4. R Sanger,
  5. J L Watt


    A 69,XXX liveborn baby was shown to have the Rh genotype CDe/cDE/cde which suggested that 46 of her chromosomes were of paternal origin. Studies on C band polymorphisms and other genetic markers indicated that the most likely origin of this triploid was a failure of male meiosis II.

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