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Case Reports
. 1983 Oct;20(5):389-92.
doi: 10.1136/jmg.20.5.389.

A complex double translocation involving four chromosomes and five breakpoints in a child with mild mental retardation

D A Couzin, J L Watt, I A Auchterlonie
Case Reports

A complex double translocation involving four chromosomes and five breakpoints in a child with mild mental retardation

D A Couzin et al. J Med Genet. 1983 Oct.

Abstract

A 6-year-old boy with speech delay and mild mental retardation (IQ 82) was found to have a complex double translocation involving four chromosomes and a total of five breakpoints, two being on the same arm. This resulted in the karyotype 46,XY,t(2;4;7)(7;8)(q14;q31;q11q22;q13). As far as the authors are aware this is the first time that such a complex double translocation has been reported. Both parents had normal karyotypes.

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