A technician removes tubes containing genetic material at a lab in Arlington, Va., in this 2010 file photo. Consumers can now buy DNA test kits for as little as $50.
A technician removes tubes containing genetic material at a lab in Arlington, Va., in this 2010 file photo. Consumers can now buy DNA test kits for as little as $50. Jacquelyn Martin AP
A technician removes tubes containing genetic material at a lab in Arlington, Va., in this 2010 file photo. Consumers can now buy DNA test kits for as little as $50. Jacquelyn Martin AP