Genetic Risk and Breast Cancer part 2
Scientists have also discovered the next defective gene to contribute to an increase in breast cancer susceptibility, which they naturally called BRCA-2. The incidence of BRCA-2 appears to be slightly less than BRCA-1. BRCA-2 is autosomal dominant also and resides on the thirteenth chromosome. Initially, it was believed that the presence of the BRCA-2 gene defect did not appear to increase risk for ovarian cancer. (more…)
