BRCA GENE MUTATIONS: GENETIC TESTING AND CANCER RISK



BRCA1 and BRCA2 (Breast Cancer Gene 1 and 2) are genes that create proteins that aid in the repair of DNA damage. Each of these genes can pass down in two copies, one from each parent. BRCA1 and BRCA2 are tumor suppressor genes because they can cause cancer with damaging (or pathogenic) variants (or mutations).

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