Fact, BRCA genes help with cell division in the breast and prostate regions. Therefore, if they are mutated, the cell division process wouldn't function normally and possibly end up in cancer since the BRCA genes tend to be tumor suppressors (cancer is a malignant tumor).
The rain shadow effect means the west coast of the Island is much wetter than the east coast. I did research on the mountain. Answer B. If you are on oddsyware I can confirm this is correct