You Learn from DNA Testing That for BRCA1 You Have

question 120

Multiple Choice

You learn from DNA testing that for BRCA1 you have one normal allele and one allele associated with cancer.For BRCA2,you have two alleles associated with cancer.How does this affect your risk for cancer?

• A) Your risk is the same as any other average human being.
• B) You will almost certainly get cancer at a very young age.
• C) Your risk is definitely higher than for someone with all mutant alleles for BRCA1 and BRCA2.
• D) Your risk is the same as that for someone with a single mutant BRCA1 allele.
• E) Your risk is higher than average but depends on other genes you carry and your lifestyle.