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  • Title: X-linked recessive inheritance of radial ray deficiencies in a family with four affected males.
    Author: Galjaard RJ, Kostakoglu N, Hoogeboom JJ, Breedveld GJ, van der Linde HC, Hovius SE, Oostra BA, Sandkuijl LA, Akarsu AN, Heutink P.
    Journal: Eur J Hum Genet; 2001 Sep; 9(9):653-8. PubMed ID: 11571552.
    Abstract:
    Radial ray deficiencies are frequently associated with additional clinical anomalies and have a heterogeneous aetiology. X-linked forms are extremely rare. We report a family in which four male relatives show bilateral absence of the radius with presence of the thumbs and associated anomalies. The segregation of the phenotype is suggestive for X-linked recessive inheritance. This is confirmed by performing linkage analysis using 24 markers spanning the X chromosome in which a maximum lod score of 1.93 for DXS8067 and DXS1001 is obtained. We defined a critical region of maximal 16.2 cM on the X chromosome with haplotype analysis.
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