Carla Is Diagnosed with Breast Cancer

Multiple Choice

Carla is diagnosed with breast cancer. She informs her doctor that her mother and her grandmother have also had breast cancer. The doctor explains to Carla that she has specific genes that make her more vulnerable to breast cancer and that she is genetically predisposed to develop the disease. In this scenario, these genes are known as

A) susceptibility genes.
B) conditional lethal genes.
C) complementary genes.
D) duplicate genes.