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BMJ Publishing Group, Journal of Medical Genetics, 5(24), p. 303-305, 1987

DOI: 10.1136/jmg.24.5.303

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Duplication 9p due to unequal sister chromatid exchange.

Journal article published in 1987 by T. Mattina ORCID, G. Sorge, G. Milone, R. Garozzo, L. Conti
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

A case of trisomy 9p syndrome is reported. The karyotype showed a tandem duplication of the short arm and of the inverted heterochromatic block of chromosome 9. Unequal sister chromatid exchange seems to be the only possible cause of this finding.