Predisposition to breast cancer results from
A) mutations in multiple genes.
B) mutations in BRCA1 that show 50% penetrance.
C) environmental causes.
D) None of the choices are correct.
E) All of the choices are correct.

Question

Quizplus · Accepted Answer

Breast cancer predisposition can result from mutations in multiple genes (such as BRCA1, BRCA2, and others), which may show varying degrees of penetrance, including but not limited to 50%. Environmental factors also play a significant role in the development of breast cancer, indicating that all the provided choices contribute to the predisposition to breast cancer.

Predisposition to Breast Cancer Results from