Louis Kessler’s Behold Blog     The Behold User Forum

... Files contain all the matches for a person. You can download them from Family Tree DNA, 23andMe, MyHeritage DNA or GEDmatch-Tier1. For each segment match, they provide at least the name of the person you match with as well as the chromosome, starting and ending base pair, cM, and number of SNPs. Here is an example of the beginning of a ...

DNA Testing companies provide you with your matches and quantify how closely you match each person by giving you a total value in centimorgans (cM). In addition, companies other than Ancestry DNA also provide you with all your individual segment matches ...

Visual Phasing is a technique to assign DNA segments of 3 siblings to their four grandparents. I don’t happen to have 3 siblings who all tested their DNA, so up to now, I’ve never had a personal use for the technique. A few months ago for a DNA study we ...

... autosomal segment matches and help you determine how you might be related to your DNA matches. Six Months of Analysis Over the winter and spring, I was working hard on on a project with Terry, my wife’s 3rd cousin, to see if we could confirm via DNA that their great-great-grandparents and 4 others were in fact siblings. Terry ...

Judy Russell just released a very interesting post: The 2022 DNA goals on her blog The Legal Genealogist. In it, Judy resolves to try to identify her “top who-is-this-person-match” at each testing company. Judy was the person who prompted, well um, pushed me into getting into DNA testing. It was during the ...

... back and see what I have accomplished so far in my first 5 years of retirement. DNA Testing and Analysis These past 5 years I’d call my DNA testing years. I did my first DNA test with Family Tree DNA in Nov 2016 and subsequently tested myself at MyHeritage, ...

To my surprise, I downloaded my raw data from my 23andMe DNA test and it was different from my earlier downloads. I would have thought your raw data from a company wouldn’t change. I took one DNA test there, so my results should be determined once, and that’s what should be represented in my raw data. I ...