Beyoncé and Solange Knowles Test <br />Negative for Mutated BRCA2 Gene The sisters reportedly tested negative for <br />the mutated human tumor suppressor gene, which can put females at <br />a higher risk of developing <br />ovarian and breast cancer. Their father, Mathew Knowles, <br />told TMZ that the girls got tested after <br />he found out he was a carrier of the BRCA2 gene. To mark the start of Breast Cancer <br />Awareness month, Mathew revealed <br />that he has been battling breast cancer. He is currently cancer-free after <br />having "three lymph nodes" removed.
