A 38-year-old member asked:
hereditary breast cancer gene, what is it?
1 doctor answer
Dr. Carlos Encarnacion answered
34 years experience Medical Oncology
Wsh I had more space: BRCA 1 and 2 are important genes that have the purpose of repairing damaged DNA and destroying the one that can't be repaired, amongst other things. When they get mutated (or changed) in specific places, they quit working so the damaged DNA is left in there, resulting in the development of cancer.
Answered on May 28, 2017
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