Bonnie Smorol had a tough choice. She has two aunts who had cancer that can be caused by a mutation in a certain gene. Smorol, 60, did not meet the guidelines for genetic screening until the second aunt was diagnosed. Then, she had to decide how much she wanted to know about her own DNA. “I did choose to be tested,” Smorol said. “I have a daughter with two daughters, so I wanted to see where this was going, and the testing unfortunately came back positive.” Smorol found that she had a mutation