Ring X chromosomes that do not undergo inactivation may cause malformations and mental retardation. We report on a fetus with anencephaly, total dorsal rachischisis, and diaphragmatic hernia that was found to have a mosaic 45,X/46,X,r(X)(p11.22q12) karyotype. Fluorescent in situ hybridization (FISH)
Phenotypic expression of tissue mosaicism in a 45,X/46,X,dicY(q11.2) female
β Scribed by Udler, Yevgenia ;Kauschansky, Arieh ;Yeshaya, Josepha ;Freedman, Jane ;Barkai, Uriel ;Tobar, Ana ;Okon, Elimelech ;Halpern, Gabrielle J. ;Shohat, Mordechai ;Legum, Cyril
- Publisher
- John Wiley and Sons
- Year
- 2001
- Tongue
- English
- Weight
- 395 KB
- Volume
- 102
- Category
- Article
- ISSN
- 0148-7299
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An infant with mixed gonadal dysgenesis was found to have a 45,X/46Xpsu dic(Y) karyotype. A low level (8%) of mosaicism for the dic(Y) cell line was observed in peripheral blood lymphocytes and skin fibroblasts. The dicentric nature of the Y chromosome became apparent in fluorescence in situ hybridi
## Abstract We report on a 13βyearβold female with short stature, minimal axillary and pubic hair, no breast development, absence of uterus and ovaries, with the following karyotype on lymphocyte cultures: 46,X,t(Y;4)(q11.2;p16)[40]/45,X,der(4)t(Y;4)(q11.2;p16)[10]. Loss of the small derivative Y c