DNA Testing News, Guides & Resources
Explore the latest DNA testing information, educational guides, and helpful resources from Validity Genetics.
Our articles cover Paternity DNA Testing, Relationship DNA Testing, Infidelity DNA Testing, Forensic DNA Testing, and Legal DNA Testing. Whether you're learning how DNA testing works, comparing testing options, understanding your results, or preparing DNA samples for laboratory analysis, our goal is to provide clear, accurate, and easy-to-understand information.
Browse our articles below to learn more about DNA testing and find answers to your questions.
How Accurate are Home Paternity Tests?
Are at-home paternity DNA tests accurate? Discover how DNA testing works, what paternity probability percentages mean, and whether home DNA tests are as reliable as legal paternity tests.
How to Choose a DNA Testing Company: 7 Things to Look For
Not all DNA testing companies offer the same services. Discover seven important factors to consider before ordering a DNA test, from laboratory accreditation and accuracy to sample options, confidentiality, and customer support.
How to Collect DNA Samples at Home
Collecting DNA samples at home is easy with the right instructions. Learn how to prepare your cheek swabs, collect DNA from adults and children, prevent contamination, and safely return your samples for paternity or relationship DNA testing.
Paternity Testing When the Father Isn't Available
What happens when the alleged father is deceased, unavailable, or refuses a DNA test? Learn how forensic paternity, sibling, grandparent, avuncular, and Y-STR DNA testing may help establish biological relationships without the father's direct participation.
How to Prepare for DNA Testing
Preparing for a DNA test? Learn how to choose the right test, collect DNA samples, prepare paperwork, understand costs, and avoid delays. This step-by-step guide covers relationship, forensic, infidelity, and legal DNA testing.
Home vs. Legal DNA Testing: What's the Difference?
What's the difference between home and legal DNA testing? Learn when to choose an informational or court-admissible DNA test, how chain of custody works, and what to expect from sample collection, pricing, and results.
How to Collect DNA Samples for Infidelity Testing
Learn how to properly collect, preserve, package, and ship DNA samples for infidelity testing. This guide covers clothing, bedding, dried stains, and other non-standard forensic samples, with tips to help prevent contamination and protect DNA evidence.
Common Types of DNA Samples
What types of samples can be used for DNA testing? Learn about cheek swabs, toothbrushes, hair with roots, clothing, dried stains, and other forensic DNA samples, including how sample quality and collection affect testing.