Hostname: page-component-848d4c4894-ttngx Total loading time: 0 Render date: 2024-06-10T12:24:20.338Z Has data issue: false hasContentIssue false

Variability of r(22) Chromosome Phenotypical Expression

Published online by Cambridge University Press:  01 August 2014

B. Dallapiccola
Affiliation:
Departments of Medical Genetics and of Child Neuropsychiatry, University of Rome, Italy
V. Brinchi
Affiliation:
Departments of Medical Genetics and of Child Neuropsychiatry, University of Rome, Italy
P. Curatolo
Affiliation:
Departments of Medical Genetics and of Child Neuropsychiatry, University of Rome, Italy

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

Two unrelated patients with multiple congenital malformations and severe mental retardation were found to be carrier of a non-mosaic ring 22 chromosome abnormality. These observations further confirm the phenotypical variability of r(22) expression, which makes unreliable the attempts to delineate a clinical profile of the syndrome

Type
Brief Report
Copyright
Copyright © The International Society for Twin Studies 1977

References

REFERENCES

Lejeune, J., Berger, R., Rethoré, M.O., Archambault, L., Jerome, H., Thieffry, S., Aicardi, J., Broyer, M., Lafourcade, J., Cruveiller, L., Turpin, R. 1964. Monosomie partielle pour un petit acrocentrique. C.R. Acad. Sci. (Paris), 259: 41874190.Google Scholar
Rethoré, M.O., Noel, B., Couturier, J., Prieur, M., Lafourcade, J., Lejeune, J. 1976. Le syndrome r(22). A propos de 4 nouvelles observations. Ann. Génét., 19: 111117.Google Scholar
Warren, R.J., Rimoin, D.L. 1970. The G deletion syndromes. J. Pediatr., 77: 658663.Google Scholar
Warren, R.J., Rimoin, D.L., Summitt, R.L. 1973. Identification by fluorescent microscopy of the abnormal chromosomes associated with the G-deletion syndromes. Am. J. Hum. Genet., 25: 7781.Google ScholarPubMed