Sally's aunt and sister-in-law both recently developed breast cancer.Courtney's mother and sister both recently developed breast cancer.Courtney has a higher risk of breast cancer than Sally.

Question

Quizplus · Accepted Answer

The fact that both Courtney's mother and sister have developed breast cancer indicates that there may be a genetic component increasing her risk of developing breast cancer, whereas only Sally's aunt and sister-in-law have developed the disease. Therefore, Courtney has a higher risk of breast cancer than Sally.

Sally's Aunt and Sister-In-Law Both Recently Developed Breast Cancer