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A child with a 21-ring chromosome, 45,XX,21-/46,XX,21r investigated with the banding technique

✍ Scribed by K. Shibata; C. Waldenmaier; W. Hirsch


Publisher
Springer
Year
1973
Tongue
English
Weight
268 KB
Volume
18
Category
Article
ISSN
0340-6717

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Ring chromosome 22 in a mentally retarde
✍ J. P. Fryns; H. Berghe πŸ“‚ Article πŸ“… 1979 πŸ› Springer 🌐 English βš– 207 KB

A ring chromosome 22 is described in a 6-year-old mentally retarded boy, who presented a dysmorphic syndrome. The ring chromosome 22 was inherited from the mother, in whom a 46,XX/46,XX,r(22)/45,XY,-15,-22,+t(15;22)(p11;q11) mosaic karyotype was found, indicating a high degree of instability of the