About: http://webisa.webdatacommons.org/126777479

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	Down syndrome, or Trisomy 21, is a genetic condition in which a person has a third copy of chromosome 21 giving them a total of forty-seven chromosomes instead of the usual forty-six.
http://www.w3.org/ns/prov#wasQuotedFrom	prnewswire.com