Breast Cancer Risk Factors You Cannot Change | Genetic Risk Factors - Breast cancer familial tendencies
- Views: 451 402
Most inherited cases of. About 5% to 10% of breast cancers are thought to be hereditary, caused by abnormal genes passed from parent to child. Most inherited cases of breast cancer are associated with mutations in two genes: BRCA1 (BReast CAncer gene one) and BRCA2 (BReast CAncer gene two).