Whether the children of Sally Hemings were fathered by U.S. President Thomas Jefferson was debated for more than 200 years until YDNA testing provided new evidence. Read more about this presidential paternity case and the results of a YDNA test. In January 2000--more than 20 years ago--a research...
Need some YDNA tips? Most people do. YDNA testing can provide you with valuable insights into paternal lineages, but a lot of people aren't sure how to get the most out of it. Here are 7 helpful strategies for YDNA testing. Thinking about taking a YDNA test, or have you already taken one and need...
YDNA surname project administrators help other project members and answer questions. But how do they learn do work with surname project data? Here's a resource to help you become a better YDNA surname project administrator--or just work with your own YDNA data more effectively. Once you or a...
Considering a YDNA test upgrade? It can be well worth it. Here's what happened after Kelli updated her husband's YDNA test. And then--after a little patience--along came an exciting new match! See what YDNA can do for your research questions. Have you ever had a DNA surprise that felt like...
Genetic distance is a key clue for helping you understand what makes a good YDNA match. Read Ginny’s story to learn how the YDNA for Genealogy Course helped her better evaluate YDNA matches and know which ones are worth further attention. YDNA can be a wonderful tool to help you better understand...
Using YDNA for genealogy can help solve many mysteries on your paternal lines! Read how Linda and Toni used what they learned in the YDNA for Genealogy course to help them answer their question: who was Mordecai Hance’s father? Who was Mordecai Hance’s father? Linda Richards had been trying to...
Y-DNA isn’t quite a “paternity test,” but can help you solve paternity mysteries, including those for your male ancestors! Here’s how one man used YDNA to help identify an ancestor’s birth father.
Y-DNA haplogroup E, with subgroups E1b1b and E1b1a, is the most common Y-chromosome haplogroup in Africa. Explore its deep origins, variant names (E-M2, E-M215, and E-V58), global spread to Europe and the Americas, and and consider the best YDNA test for African origins.
Y-chromosome haplogroup J, and its subgroups J1 and J2, are connected with origins in the Arabian Peninsula, Southern Europe and North Africa, and among many men of Ashkenazi Jewish, Arab Bedouin, Uygur and Uzbek origin. Explore J haplogroup maps and history here.
What is the R1b haplogroup? Learn about its relationship to the R1a Y-DNA haplogroup and its geographic relationship to Western Europe. See our chart of the best DNA tests for YDNA haplogroups.
There are many reasons to join a Y DNA surname project (or start one!). As you build your family tree, a YDNA surname project can help you explore questions about paternity and distinguish between various branches of a family. Here’s how to join a surname project.