Meiotic products of a Klinefelter 47,XXY male as determined by sperm fluorescence in-situ hybridization analysis |
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| Authors: | Estop, AM Munne, S Cieply, KM Vandermark, KK Lamb, AN Fisch, H |
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| Affiliation: | Department of Human Genetics, Allegheny University of the Health Sciences, Allegheny General Hospital, Pittsburgh, PA 15212, USA. |
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| Abstract: | The meiotic segregation of 24 spermatozoa obtained from a 47,XXY male isdescribed. Three-colour fluorescence in-situ hybridization with probes forchromosomes X, Y and 18 was used. Five spermatozoa carried an X chromosome,seven carried a Y, six had an XY gonosomal complement, five were missingthe sex chromosome and one spermatozoon was presumably diploid with anXX/1818 complement. Our results support the hypothesis that XXY cells areable to complete meiosis. In this patient, the percentage of spermatozoawith an abnormal number of sex chromosomes increased from 1/6 (17%) amongspermatozoa with normal morphology to 11/18 (61%) in spermatozoa withabnormal morphology. |
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