Aug 22, 2012 · By testing ONE PERSON for either Y-DNA or mitochondrial DNA that represents an ancestor, you actually receive information about that entire lineage of ancestors.

Roberta wrote the books DNA for Native American Genealogy and The Complete Guide to FamilyTreeDNA – Y-DNA, Mitochondrial, Autosomal, and X-DNA. She authored or co-authored …

Apr 2, 2021 · So my DNA inheritance should be about the same as if it were from one great grandparent. Yet Ancestry can’t identify any of my DNA as either Spanish — Menorca is part of …

I wrote “The Complete Guide to FamilyTreeDNA; Y-DNA, Mitochondrial, Autosomal and X-DNA” to explain the different types of tests and how to use them. This book is chock full of example and n 18 …

Dec 22, 2014 · I started blogging to teach people and literally “explain” about genetic genealogy – which is why I selected the name DNA-eXplained. Over time, it has also been nicknamed DNAeXplain, …

Feb 25, 2025 · The Million Mito Project was launched at RootsTech 2020 and encouraged people to test their mitochondrial DNA, both for their genealogy and to help build the database.

Sep 24, 2025 · I wrote about DNA and relationship predictions, including half relationships and “removed” relationships in the article, Concepts – Relationship Predications. You can view expected …

Jul 10, 2025 · Returning to my primary DNA match list, now it’s easy to see who is and is not included in a cluster, or multiple clusters based on my group tags. Of my first four matches, two are maternal …

Feb 23, 2025 · When you see a DNA match, do you wonder how far back in your trees your common ancestors live? How do you know where to search? I’ve been working through my DNA match list …

Nov 24, 2025 · There are now more ancient samples available for mitochondrial DNA than for the Y-DNA tree. Both males and females have mitochondrial DNA, but only males have a Y chromosome.