All Articles
Page 3 of additional KnowYourDNA articles and guides on DNA, ancestry, and health testing.
While Ireland boasts a diverse population, certain physical characteristics are often associated with people of Irish heritage. Learn more about them here.
Collecting enough saliva can be tough for kids, older adults, or anyone with a dry-mouth condition. Cheek swabs and a few simple workarounds can still get your DNA to the lab and keep your family-history project on track.
Mongolian spots are harmless bluish-gray birthmarks common in babies of Asian, African, Indigenous, and Hispanic descent. We cover what causes them, how common they are, and cultural beliefs.
Finding long-lost relatives can feel like a one-in-a-million chance. Where do you even start?
Tracing Caribbean ancestry means working with gaps. We show you how to combine oral history, DNA testing, and colonial archives to fill in what traditional records cannot.
Most people with European roots carry at least a whisper of royal DNA. Finding the exact path from your grandparents' certificates to a medieval throne takes patient research and solid records.
WikiTree is a collaborative genealogy platform built around one shared family tree. Learn how profiles, sources, DNA connections, and privacy settings work before contributing.
Embark screens for 350+ breeds and 250+ health conditions using over 200,000 genetic markers. At $159 for the Breed+Health kit, it costs more than competitors but delivers the deepest single-kit results for most dog owners.
The best DNA test for health depends on what you want to learn. 23andMe is the strongest FDA-reviewed DTC starting point; Color or Invitae are the clinical-grade picks for hereditary cancer and carrier screening; ClarityX leads on pharmacogenomics; TruDiagnostic measures biological age.
The accuracy of an ancestry DNA test depends first on its reference panel (how many samples it includes and which populations those samples represent). AncestryDNA, 23andMe, MyHeritage, FamilyTreeDNA, Living DNA, and African Ancestry each earn a place on this list for a different ancestry buyer.