: These allow you to order a kit online, provide a saliva sample or cheek swab at home, and receive results via an online portal. Popular providers often reviewed by experts at Wirecutter include:
: Providers like Ancestry.com and MyHeritage focus on building family trees and identifying geographic origins.
DNA testing is broadly categorized by how you access the service and what the results are intended for.
Universal Germline Genetic Testing for Hereditary Cancer ... - PMC
: These facilities, such as DDC (DNA Diagnostics Center) or specialized hospital labs like the Mayo Clinic Center for Individualized Medicine , work with healthcare professionals to diagnose rare diseases, screen for cancer risks, or provide prenatal diagnostics.