Assertion: cancer | /r/CreatedBy | dna mutations
Facets:
Source sentences:
text: Cancers can be caused by DNA mutations (changes) that turn on oncogenes or turn off tumor suppressor genes.
text: Cancer can be caused by DNA mutations (or other types of changes) that keep oncogenes turned on, or that turn off tumor suppressor genes.
text: Cancers can be caused by DNA mutations (changes) that turn on oncogenes or turn off tumor suppressor genes, resulting in cells growing out of control.