My Websites: The DNA Detectives and The Institute for Genetic Genealogy

Mailing Lists and Forums: 
DNA Detectives Facebook Group
ISOGG DNA Newbie Yahoo Group
Institute for Genetic Genealogy Facebook Group
International Society of Genetic Genealogy FB Group
UnknownFathersDNA Yahoo Group
AmerAsian DNA Facebook Group
Your Genetic Genealogist Facebook Page
CeCe Moore - Genetic Genealogist Facebook Page

My series on the basics of DNA testing for genealogy from
An article on the basics of DNA cousin matching from
Videos discussing some of my cases

Videos from the Institute for Genetic Genealogy Conference 2016 << click here

Videos from the Institute for Genetic Genealogy Conferences 2017 << click here

Videos from the Institute for Genetic Genealogy Conferences 2018 << click here

23andMe feature overview (some information outdated):

 You can purchase a 23andMe test here.

Family Tree Magazine November 2014 Podcast on Genetic Genealogy << listen here

Article, Washington Times, "DNA Genealogy Companies Help Adoptees Find Their Relatives"

Other genetic genealogy blogs: 
Blaine Bettinger's The Genetic Genealogist
Debbie Kennett's Cruwys News
Emily Aulicino's Genealem Genetic Genealogy
Judy Russell's The Legal Genealogist (writes about DNA on Sundays)
Kitty Cooper's Blog Musings on Genealogy, Genetics and Gardening 
Jim Owston's The Lineal Arboretum
Shannon Christmas' Through the Trees
Annette Kapple's AK Genealogy Blog
Dan Stone's Stone Family Tree
My Adoption and DNA

Helpful Websites:
DNA Testing Adviser 


The Family Tree Guide to DNA Testing and Genetic Genealogy by Blaine Bettinger 
The Foundling: The True Story of a Kidnapping, A Family Secret and My Search for the Real Me by Paul Fronczak
Swabbed and Found: An Adopted Man's DNA Journey to Discover his Family by Frank Billingsley
Finding Family:My Search for Roots and the Secrets in my DNA by Richard Hill
NextGen Genealogy: The DNA Connection by David Dowell

My Series on DNA Comparisons from Known Relationships:
Known Relative Studies: Expected Percentages
Known Relative Studies: Great Grandchild Inheritance
A Success Story and the Randomness of Autosomal DNA Inheritance (Fourth and Fifth Cousins)
Known Relative Studies: Second Cousins 
Known Relative Studies: More Second Cousin Comparisons 
Known Relative Studies: Second Cousin Comparisons, Allen Great Grandparents
Known Relative Studies: Second Cousins or Half Second Cousins 
Known Relative Studies: Identifying DNA from Great Grandparents Using Second Cousin Comparisons
Known Relative Studies: I Found My Third Cousin Today! 
Known Relative Studies: A Third Cousin Comparison and More Random Autosomal DNA Inheritance
Known Relative Studies: Purdy Fourth and Fifth Cousins
Autosomal DNA Matching and the Importance of Testing Multiple Family Members (Ninth Cousins)
Known Relative Studies: Ratekin Seventh Cousin
Known Relative Studies: A Second Cousin Adds to My Chromosome Map and Answers a Nagging Genealogical Question

Details on some of my research:
An article in the Washington Post about my work, written by Justin Jouvenal
An interview with me for Family Tree DNA, written by Rebekah Canada
An article by Christine Kenneally
An article by Maud Newton (fee for full access, but there is a preview available)


  1. Several of my relatives have now completed the AncestryDNA test at I would like to get feedback from readers of your blog on the ethnicity results we have received. I have a PDF file that summarizes the results using the first names of each contributor in a tree diagram, but it is not clear to me if I can post that file here. Is that a possibility? Thanks! dm.

  2. Wow! This info page is amazing:) Thanks!