Assertion: gene's mutation | /r/AtLocation | the brca1 gene
Facets:
value: on chromosome
type: LOCATION
Source sentences:
text: While more than 500 different mutations can occur in the BRCA1 gene on chromosome 17 and raise a woman's risk for breast cancer, there are also more than 300 potential mutations of the BRCA2 gene on chromosome 13 that are associated with HBOC.