A gene on chromosome 17 that normally helps to suppress cell growth. A person who inherits certain mutations (changes) in a BRCA1 gene has a higher risk of getting breast, ovarian, prostate, and other types of cancer.

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Date last modified: 2009-03-25BRCA1 and BRCA2: Cancer Risk and Genetic Testing BRCA1 y BRCA2: Riesgo de cáncer y pruebas genéticas