Assertion: prader willi syndrome | /r/CreatedBy | chromosomal rearrangement
Facets:
value: by other defect
type: OTHER
value: rarely
type: DEGREE
value: by a mutation
type: OTHER
Source sentences:
text: Rarely, Prader-Willi syndrome can also be caused by a chromosomal rearrangement called a translocation, or by a mutation or other defect that abnormally turns off (inactivates) genes on the paternal chromosome 15.