Article
Variability of sexual phenotype in 46,XX( SRY +) patients: the influence of spreading X inactivation versus position effects
29 Apr 2005
Abstract excerpt
N We have studied causes of incomplete masculinisation in 15 individuals with segments of Yp translocated onto distal Xp. In each case we mapped X and Y breakpoints, determined X inactivation ratios, and performed expression studies of translocated Y genes by allele specific RT-PCR. We confirm the presence of a Yp inversion polymorphism predisposing to X/Y translocation.
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