Homologous Robertsonian translocation (21q21q) and abortions
β Scribed by T. Sudha; P. M. Gopinath
- Publisher
- Springer
- Year
- 1990
- Tongue
- English
- Weight
- 399 KB
- Volume
- 85
- Category
- Article
- ISSN
- 0340-6717
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β¦ Synopsis
Instances of balanced Robertsonian translocations between the homologues of chromosome 21 were observed in two couples with a history of repeated abortions. The male partner of one couple and the female partner of another couple exhibited this anomaly. The translocation (21q21q) was found to be transmitted to their live children with Down's syndrome.
π SIMILAR VOLUMES
This paper reports the case of a one-day-old male child presenting the typical features of Patau's syndrome. The cytogenetic study by means of conventional techniques and GTG and QFQ banding techniques showed that the chromosomal pattern of the propositus was 46,XYq+,-21,+t(13q21q) 15ps+,22ps+, and
## An article by Steinberg et a1 [1984] cautioned against the potential error of counseling families a low-recurrence risk when a previous child has had a de novo 21q21q translocation Down syndrome. They also studied 112 families (ie, sets of parents) with a child with de novo 21q21q translocatio