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A pseudoisochromosome 18q and an isodicentric chromosome 18
C Floore1, A Robertson, I Samuel
1Department of Pediatrics, University of Illinois, Chicago.
Clinical Genetics
|June 1, 1989
Abstract:
A case of pseudoisochromosome 18q of prezygotic origin and a case of isodicentric chromosome 18 of postzygotic origin are presented to validate the differentiation between a true isochromosome and a pseudoisochromosome. This differentiation may be useful in elucidating the mechanism of the origin of an isochromosome.