"Sperm donors and those who give up a child for adoption have, in some places, long been entitled to anonymity, but this can no longer be guaranteed. Genetic ancestry tests like those offered by AncestryDNA and 23andMe – along with 90 or so other US companies – make it possible to track down relatives, even if they don’t want to be found.
Chelsea Whyte reports from a conference at Harvard Law School, which delved into the ethical and legal considerations of rapid advancements in technologies that sequence, analyse and alter genetic information. “A de facto national DNA database is on the horizon, if it’s not already here,” says Natalie Ram from the University of Baltimore in Maryland"