Assertion: rett syndrome | /r/CreatedBy | mutation
Facets:
value: on a gene
type: OTHER
value: on the x chromosome
type: LOCATION
value: genetically
type: MANNER
Source sentences:
text: Genetically, Rett syndrome (RTT) is caused by mutations in the gene
text: Rett syndrome is caused by mutations on the X chromosome on a gene called MECP2.