1. 
   uniparental disomy
   (from the article `genetic disease, human`) ...occasion, persons are identified with an imprinted gene disorder who show no family history and do not appear to carry any mutation in the ...
   Found op http://www.britannica.com/eb/a-z/u/9
   
   
2. 
   Uniparental disomy
   Uniparental disomy (UPD) occurs when a person receives two copies of a chromosome, or part of a chromosome, from one parent and no copies from the other parent.. UPD could involve isodisomy (meiosis II error) or heterodisomy (meiosis I error) . ==Pathophysiology== UPD can occur as a random event du...
   Found op http://en.wikipedia.org/wiki/Uniparental_disomy
   
   
3. 
   Uniparental Disomy
   A circumstance in which an individual receives two copies of a chromosome come from one parent, instead of one copy from the mother, and one copy from the father. Two of the most common disorders that are caused by this are Angelman syndrome and Prader-Willi syndrome.
   Found op http://www.pregnology.com/AZ/U/1
   
   

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