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Case Reports
. 1975 Dec;18(4):235-8.

Identification of isochromosome 17 in a girl with mental retardation and congenital malformations

F Salamanca-Gómez, S Armendares
  • PMID: 1083191
Case Reports

Identification of isochromosome 17 in a girl with mental retardation and congenital malformations

F Salamanca-Gómez et al. Ann Genet. 1975 Dec.

Abstract

An isochromosome 17 was found in all analyzed cells of a mentally retarded and malformed girl. As the abnormal chromosome displayed a polymorphic distal band also observed in chromosome 17 of the father, it is suggested that the abnormal chromosome is the result of a non sister chromatid interchange at the level of the centromeric region of chromosomes 17 in paternal meiosis.

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