We present two sibs with partial trisomy 1 (q31.1-q32.1) due to a familial insertion. Patient 1 is a girl who presented at age 9 months with minor anomalies, short stature, and normal psychomotor development. K a r y o t y p e w a s 4 6 , X X , d e r ( 4 ) i n s ( 4 ; 1 ) (p14;q31.1q32.1)pat. The fa
Familial dup(5)(q15q21) associated with normal and abnormal phenotypes
✍ Scribed by Li, Shuan-Yow; Gibson, Lisa H.; Gomez, Kevin; Pober, Barbara R.; Yang-Feng, Teresa L.
- Publisher
- John Wiley and Sons
- Year
- 1998
- Tongue
- English
- Weight
- 14 KB
- Volume
- 75
- Category
- Article
- ISSN
- 0148-7299
- DOI
- 10.1002/(sici)1096-8628(19980106)75:1<75::aid-ajmg15>3.0.co;2-p
No coin nor oath required. For personal study only.
✦ Synopsis
We studied a familial dup(5q) present in a phenotypically normal father and his monozygotic twin daughters with different abnormal phenotypes. High-resolution chromosome analysis suggested that the duplicated segment was of region q15-21, which seems to be the smallest dup(5q) reported thus far. This dup(5q) was confirmed by fluorescence in situ hybridization with a chromosome 5 painting library and 5q cosmid clones. The presence of the dup(5q) in a normal father suggested that the duplication itself may be harmless. The anomalies in the twins may be due to processes other than this chromosome change. Am.
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