Announcing “The Family Tree Guide to DNA Testing and Genetic Genealogy”

s7981_new01I am so happy to officially announce “The Family Tree Guide to DNA Testing and Genetic Genealogy,” my effort to help people understand DNA and genetic genealogy. The book, published by Family Tree Books, is 240 pages long and covers every aspect of DNA testing for ancestry research:

  • Part One: Getting Started – Genetic Genealogy Basics; Common Misconceptions; and Ethics and Genetic Genealogy
  • Part Two: Selecting a Test – Mitochondrial-DNA (mtDNA) Testing; Y-Chromosomal (Y-DNA) Testing; Autosomal-DNA (atDNA) Testing; and X-Chromosomal (X-DNA) Testing
  • Part Three: Analyzing and Applying Test Results – Third-Party Autosomal-DNA Tools; Ethnicity Estimates; Analyzing Complex Questions with DNA; Genetic Testing for Adoptees; and The Future of Genetic Genealogy
  • Appendices – Comparison Guides; Research Forms; and More Resources

For a preview of the book, you can visit the Amazon page or Google Books.

As you’ll see, the book is full of color images that help explain all aspects of DNA and genetic genealogy, like the following (only a portion of each are shown):



Here are a few reviews of The Guide:

You can also hear me talk about The Guide on Episode #8 of The Genealogy Connection with Drew Smith.

The book is available for purchase at the following:

And, if you’ve purchased and read The Guide, please consider leaving a review at Amazon! ... Click to read more!

Second Cousins (Or Closer) That Don’t Share DNA?

Caution should always be taken before pursuing an answer to a genealogical question. Ask yourself (or your relative) before diving into the research whether you really want to know the answer, and whether you think you are prepared for it. Just because you as a genealogist may be prepared for the result does not mean everyone in your family will be.

This is as true with DNA evidence as it is with any other type of genealogical evidence. Just as a census record or birth certificate can reveal a family secret, so can the results of a DNA test. The Genetic Genealogy Standards, for example, make clear that unexpected results can occur:

12. Unexpected Results. Genealogists understand that DNA test results, like traditional genealogical records, can reveal unexpected information about the tester and his or her immediate family, ancestors, and/or descendants. For example, both DNA test results and traditional genealogical records can reveal misattributed parentage, adoption, health information, previously unknown family members, and errors in well-researched family trees, among other unexpected outcomes. ... Click to read more!