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Sindrome di Werdnig-Hoffmann familiare che include una coppia di gemelli MZ concordanti (un caso di Consulenza Eugenica)
Published online by Cambridge University Press: 01 August 2014
Summary
The Authors report the eugenic prediction formulated for a couple whose three babies (two of whom were monozygotic twins) had died as a consequence of the syndrome of Werdnig-Hoffmann. Since the two cases of the MZ twin pair represent a single chance combination at conception, and since the indications from the literature and from the family tree in this case indicate a monomeric genotype of a recessive type, the morbid risk for a fourth affected child has been estimated at 25%.
The occurrence of concordant W. H. syndrome in MZ cotwins is stressed.
No chromosome abnormalities have been revealed by karyotype examination of the parents.
- Type
- Research Article
- Information
- Acta geneticae medicae et gemellologiae: twin research , Volume 11 , Issue 2 , April 1962 , pp. 113 - 123
- Copyright
- Copyright © The International Society for Twin Studies 1962