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    Am J Hum Genet. 1992 May;50(5):1008-11.

    Familial case with sequence variant in the testis-determining region associated with two sex phenotypes.

    Vilain E, McElreavey K, Jaubert F, Raymond JP, Richaud F, Fellous M.

    INSERM Unité 276, Université Paris VII, France.

    The human Y chromosome encodes a testis-determining factor (TDF) which is responsible for initiating male sex determination. Recently a region of the Y chromosome (SRY) was identified as part of the TDF gene. We have identified a three-generation family (N) in which all XY individuals have a single base-pair substitution resulting in a conservative amino acid change in the conserved domain of the SRY open reading frame. Three individuals are XY sex-reversed females, and two are XY males. Several models are proposed to explain association between a sequence variant in SRY and two sex phenotypes.

    PMID: 1570829 [PubMed - indexed for MEDLINE]

    PMCID: 1682588

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