Why Are the BRCA1 and BRCA2 Genes Considered to Be

question 20

Multiple Choice

Why are the BRCA1 and BRCA2 genes considered to be tumor-suppressor genes?

• A)They prevent infection by tumor viruses that cause cancer.
• B)Their normal products participate in repair of DNA damage.
• C)The mutant forms of either one of these prevent breast cancer.
• D)They block penetration of breast cells by chemical carcinogens.

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