Michaelsen KF, Lundsteen C, Hansen FJ. Prader-Willi syndrome and chromosomal mosaicism 46,XY/47,XY,+mar in two cases.
Clin Genet 1979;
16:147-50. [PMID:
573673 DOI:
10.1111/j.1399-0004.1979.tb00983.x]
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Abstract
Two cases of the Prader-Willi syndrome with 46,XY/47,XY,+mar are reported. The majority of Prader-Willi patients with chromosome abnormalities have either 15/15 translocations or mosaicism. Both of these aberrations presumably occur after fertilization. A possible relationship between high parental age and chromosome abnormalities in the Prader-Willi syndrome is discussed.
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