[单项选择]Genetic Testing
Genetic testing is transforming medicine and the way families think about their health. As science uncovers the complicated secrets of DNA, we face difficult choices and new challenges.
About Genetic testing
The year was 1895 and Pauline Gross, a young actress, was scared. Gross knew nothing about the human-genome (基因组，染色体组) project—such medical triumphs, but she did know about a nasty disease called cancer, and it was running through her family. "I’m healthy now," she often told Dr. Aldred Warthin from at the University of Michigan, "but I fully expect to die an early death."
At the time, Gross’s prediction was based solely on observation: family members had died of cancer; she would, too. Today, more than 100 years later, Gross’s relatives have a much more clinical option: genetic testing. With a simple blood test; they can peer into their own DNA, learning—while still perfectly healthy—whether they carry an inheritable gene mutat
A. blood cell
B. lung cell
C. liver cell
D. DNA