About: http://webisa.webdatacommons.org/278058008

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	A 'de novo'-situation appears in about 75% of the cases.In 25% of the cases, one of the parents is carrier of the syndrome, without any effect on the parent.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org