Fragile X families in a Northern Swedish county - a genealogical study demonstrating apparent paternal transmission from the 18th century

Eleven families including 35 cases with fra(X) mental retardation (MR) were traced genealogically using the Research Archives at Umeå University. Seven of the cases were women with fra(X). All of the families originated partly or totally from the county of Västerbotten. It was possible to link 7 of...

Ausführliche Beschreibung