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Hemophilia B in a Pair of Monozygotic Negro Twins

Published online by Cambridge University Press:  01 August 2014

Israel Roisenberg
Israel Roisenberg*
Affiliation:
Departamento de Genética, Instituto de Ciências Naturais, Universidade do Rio Grande do Sul, Pôrto Alegre, (Brasil)

Summary

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A detailed description is given of the study performed in a pair of monozygotic Negro twins both suffering from hemophilia B; the bibliography is also reviewed about the occurrence of hemophilia in twins. The zygosity determination was performed utilizing anthropometric measurements, observation data, finger and palmar prints, seven systems of blood groups and five other genetic systems. The twins present a great similarity in the hemorrhagic symptoms, coagulation tests and Christmas factor level, but morphologic and physical differences due to the disease. These differences are explained by the diversity in the medical-hospital care which both received.

Type
Research Article
Information
Acta geneticae medicae et gemellologiae: twin research , Volume 13 , Issue 3 , July 1964 , pp. 240 - 252
Copyright
Copyright © The International Society for Twin Studies 1964

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