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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.

Author information

  • 1INSERM Unité 276, Université Paris VII, France.

Abstract

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:
PMC1682588
Free PMC Article
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