X;15 translocation in a retarded girl: X inactivation pattern and attempt to localise the hexosaminidase A and other loci.
Open Access
- 1 August 1979
- journal article
- research article
- Published by BMJ in Journal of Medical Genetics
- Vol. 16 (4), 254-262
- https://doi.org/10.1136/jmg.16.4.254
Abstract
Cytogenetic studies on a retarded girl showed a complex S;15 translocation, karyotype 45,X,-15,+t(X15). The translocation X chromosome was non-randomly partially inactivated, the inactivation being mainly confined to the X segment and in some cells only to the X long arm. Gene marker studies failed to show anomalous segregation of the hexosaminidase A gene or any other gene markers tested.Keywords
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