A genetic evaluation demonstrated Klinefelter syndrome 47, XXY karyotype with concurrent duplication of 3p21.31 by microarray analysis. Maternal genetic analysis demonstrated the same 3p21.31 ...

Ideograms and partial karyotypes are shown. For the deletions, the arrows indicate a) the deletion of chromosome 15q11-13 associated with Prader-Willi and Angelman syndromes, and b) the deletion ...

Chromosome imbalance caused by the absence or duplication of chromosomal material ... These can be diagnosed by cytogenetic study (karyotype analysis) of virtually any tissue type.

Ideograms and partial karyotypes are shown. For the deletions, the arrows indicate a) the deletion of chromosome 15q11-13 associated with Prader-Willi and Angelman syndromes, and b) the deletion ...