Three Sisters Decide to Have Genetic Testing Done Because Their

Multiple Choice

Three sisters decide to have genetic testing done because their mother and their maternal grandmother died of breast cancer. Each of the sisters has the BRCA1 gene mutation. The nurse explains that just because they have the gene does not necessarily mean that they will develop breast cancer. On what does the nurse explain their chances of developing breast cancer depend?

A) Sensitivity
B) Conductivity
C) Penetrance
D) Susceptibility