Assertion: chromosome's copy | /r/HasProperty | inactive
Facets:
value: normally
type: DEGREE
value: in the brain
type: LOCATION
Source sentences:
text: Because the copy of the UBE3A gene inherited from a person's father (the paternal copy) is normally inactive in the brain, a deletion in the maternal chromosome 15 results in no active copies of the UBE3A gene in the brain.