Sperm chromosome analysis of a man heterozygous for a pericentric inversion of chromosome 20 |
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Authors: | J Jenderny J Gebauer G Röhrborn A Rüger |
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Institution: | (1) Institut für Humangenetik und Anthropologie der Universität, W-4000 Düsseldorf, Federal Republic of Germany;(2) Present address: Institut für Humangenetik, Klinikum der CAU, Schwanenweg 24, W-2300 Kiel, Federal Republic of Germany |
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Abstract: | Summary The sperm chromosomes of a man heterozygous for inv(20)(p13q11.2) were analyzed. Twenty-six sperm chromosome complements were examined, of which fourteen contained the normal chromosome, and twelve the inverted chromosome. None of the sperm complements contained a recombinant chromosome 20. The frequency of structural chromosomal aberrations unrelated to the inversion was 11.5% (3/26). Numerical aberrations were not observed. The percentages of X- and Y-bearing sperm were 56% and 44%, respectively, which was similar to the expected 11 ratio. |
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