Which DNA testing company should you use? Do different companies give different results? Short answer: Yes. Here are 3 ways your DNA test results may vary. While doing a Q&A for Legacy Family Tree webinars recently, I got this great question: Does doing DNA...
How does your DNA testing company correct for endogamy on DNA matches? You should know about Ancestry’s algorithm; MyHeritage’s rule for Ashkenazi Jewish ancestry; and these tips for segment size and shared matches. Endogamy is more than just a set of first cousins...
Free video tutorial on DNA testing for family history by Diahan Southard, a leading genetic genealogy educators. Learn how DNA results deliver ethnicity and matches in this fresh, fun presentation. Earlier this year, I was invited to Amsterdam to speak about DNA...
When deciding whether to test at MyHeritage DNA or upload your raw data, know your choice affects your access to your shared DNA matches and other great tools. Here are your options. Not long ago, I received a frustrated email from Eileen. In part, she said, “If you...
Last updated: January 27, 2026 Which DNA testing companies shed the most detailed light on African ancestry? What makes Africa the most genetically diverse continent? Why is it so important for scientists to understand the genetic heritage of those with African...
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