Unusual in vivo rearrangements of the Y chromosome with mitotic instability in vitro |
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Authors: | J P Fryns J J Cassiman H Van den Berghe |
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Institution: | (1) Division of Human Genetics, Department of Human Biology, Minderbroedersstraat, 12, B-3000 Leuven, Belgium |
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Abstract: | Summary An unusual structural rearrangement of the Y chromosome resulting in seven different cell lines was found in a male infant with coronal synostosis as the only major clinical symptom. At least three different events must have occurred to explain the patient's karyotype: nondisjunction, chromosome breakage followed by translocation, and tetraploidization followed by somatic recombination. In addition, the structurally abnormal Y chromosome appeared to be unstable in vitro. |
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