Genetic testing company 23andMe's bankruptcy has led to a new consumer privacy issue: what happens to the DNA of millions of Americans when it goes on sale?

Bankrupt genetic testing firm 23andMe Holding Co. won permission from a judge to try to sell information about customers’ medical and ancestry-related data, a trove that is considered the most valuable asset in the insolvency case — and has become a source of privacy and safety concerns amid the company’s collapse.

Genetic testing company 23andMe (ME) has won court approval to sell its most valuable asset, customer DNA data, despite growing concerns over