The availability of consumer DNA tests and databases has allowed long-hidden family secrets to be revealed, including mistaken paternity and unknown siblings. It has also taken the anonymity away from some cases of sperm donation. Two experts discuss the ethics of overturning this promised secrecy and the impact that the revelation of secrets can have on entire families.
When most of us think of genetic testing for health, we imagine tests to detect whether we’ve inherited genes that predispose us for cancer or other serious disease. But another kind of gene testing—genomic testing of tumor cells for their susceptibility to targeted treatments—is giving thousands of people hope of survival they’ve never had before. Experts discuss both genetic and genomic testing.
Genetic testing is now available to consumers to satisfy a variety of desires, however, risks come with what doctors say is incomplete knowledge.