Louis Kessler’s Behold Blog The Behold User Forum
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11.
Evaluating Ancestry DNA’s Parental Matches - Blog entry by lkessler - 26 Dec 2022
... came out with a new feature called Parental Matches, that shows which parent a DNA match is connected to. My own DNA should be a good test for this. I have 100% endogamy on all my ancestral lines, but my parents are not related according to GEDmatch’s test. Both my parents passed away before I started
12.
The WikiTree Challenge for Mark Cuban - Blog entry by lkessler - 15 Dec 2022
... building a family tree that genealogists often use to determine the ancestry of their DNA matches. That was helped greatly by the wonderful Smart Matching to records and trees that MyHeritage provides. I quickly built the tree up to about 80 ancestors, their siblings and spouses. My goal was to find approximate birth years and originating towns in Eastern Europe of Mark’s ...
13.
Genealogy River Cruising in 2024 - Blog entry by lkessler - 27 Nov 2022
... Judy’s talks on this wonderful cruise, Judy implored me to get my 93 year old uncle DNA tested, so she really got me started in DNA. Just 4 months later, I saw Judy again at the Ontario Genealogical Society’s conference in Toronto, and I got to introduce the moderator of Judy’s panel on “the Future of Genetic Genealogy” Then we ...
14.
Some DMT Dialog, with Questions and Answers - Blog entry by lkessler - 12 Nov 2022
... 1 of 2 kits" on A and B, with shared matches first ordered according to shared DNA with A, attempting to find additional triangulations. I'm running DMT with recommended settings of 7 cM for Min Triang and 15 cM for Single Triang. Default settings for "Match both kits or 1 of 2 kits" are 10 cM for threshold of largest segment to qualify as a ...
15.
Your Family Statistics at MyHeritage - Blog entry by lkessler - 28 Oct 2022
... very good if you want to estimate how many people in your tree that you should share DNA with. Anyone who is 2nd cousin or closer, you will definitely share DNA with. 2C1R you should share with, but there is a slight chance you won’t. Any further and the probability that you share DNA with them ...
16.
Catching Up - Blog entry by lkessler - 8 Oct 2022
... soon as I find out about them. Meanwhile, I have been involved for over a year on a DNA project with my wife’s 3rd cousin. He had close to 60 descendants of my wife’s great-grandfather and five suspected siblings, and we are trying in spite of endogamy to determine whether they are indeed siblings. I have been trying to to use DMT to help with the analysis and the ...
17.
My First MyHeritage Theory of Family Relativity - Blog entry by lkessler - 29 Jun 2022
... as my primary site for storing my family tree information. I took a MyHeritage DNA test in 2007 and uploaded my uncle’s test from FTDNA in 2018. I linked both my and my uncle’s tests to my tree. By the end of 2019, I likely had 1000 genetic relatives in my tree. Today that number is probably close to 1500. But I did not have ...
18.
Building a Base Pair to Centimorgan Map - Blog entry by lkessler - 16 Jun 2022
... 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 ...
19.
Converting Base Pairs to Centimorgans - Blog entry by lkessler - 12 Jun 2022
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 ...
20.
Can Visual Phasing be Programmed? - Blog entry by lkessler - 20 May 2022
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 ...