Assertion: chromosome deletion | /r/CapableOf | happen without previous family history
Facets:
value: in the majority of individuals
type: OTHER
value: sporadically
type: DEGREE
Source sentences:
text: In the majority of individuals, this chromosome deletion happens sporadically without a previous family history, which suggests that 22q11.2 deletion is most often a “de novo” event – meaning one does not inherit the syndrome from either parent, and it does not usually “run” in a family.