If you signed up for it and/or showed your ID, they also took it to match with your SSN and other ID. Now you and your family's DNA is on file. Does your family have an independent streak? DNA will be looked at to breed that out to learn how to selectively destroy that strand of DNA. Thanks, WEF for all that you do to protect society and mankind form themselves. How did we ever evolve for hundreds of thousands of years without your assistance and guidance?