BRCA1 vs BRCA2: How the two “breast cancer genes” differ

As genetic testing becomes more advanced – and, in some cases, quite easy to do at home – more people have been able to find out if they carry genetic mutations linked to an increased risk of cancer. There are several genetic mutations that signal an inherited predisposition to cancer, but among them, mutations in BRCA1 and BRCA2 have gained particular notoriety.