Louis Kessler’s Behold Blog The Behold User Forum
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131.
What RootsTech was Like for an Innovator Showdown Finalist - Blog entry by lkessler - 12 Feb 2017
... Data. Amy is trying to use crossovers of children to determine the parent’s DNA and that is right up my alley and similar to the analysis I want to be able to implement into DMT. Amy was the first of maybe only a dozen people that I met during RootsTech week who I was overjoyed to be able to have in-depth talks about analysis of crossover boundaries and what might ...
132.
Non-Matches by cM - Blog entry by lkessler - 1 Feb 2017
... gave the same results as Roberta. She was kind enough to send me the FamilyTreeDNA Chromosome Browser Results files she used so that I could check and compare my results with hers. A Free Excel Spreadsheet Template for You In Roberta’s analysis, she combined the child, father and mother results together and manually inspected them to find child matches ...
133.
My #RootsTech 2017 Schedule - Blog entry by lkessler - 29 Jan 2017
... IS7702 How to Pitch an Investor 2:00PM to 2:50PM Ballroom J RT8642 How will DNA continue to disrupt our industry 3:00PM to 4:00PM 155A - Getting Started IS1743 FamilySearch API: What's New and What's Coming? 4:30PM to 5:30PM Ballroom G RT1006 Welcome Party: We Don't Need Roads 6:00PM to 7:30PM Marriott Downtown Thursday, Feb 9 ...
134.
Triangulation, Single Matching and Double Matching - Blog entry by lkessler - 27 Jan 2017
... hopefully most people will understand. This will be a representation of FamilyTreeDNA’s Chromosome Browser which most people reading this should be familiar with. Triangulation Below is a representation of the Chromosome Browser as seen by three different people when they log in to their account at FamilyTreeDNA. ...
135.
Comparing Single Matching to Double Matching - Blog entry by lkessler - 25 Jan 2017
... For Person a, find all the Persons c, d, e, … who match or overlap on the same DNA segment. This is what FamilyTreeDNA and 23andMe give you today. MyHeritage is promising a Chromosome Browser but no word yet on whether you’ll be able to download segment matches. AncestryDNA does not provide you ...
136.
Double Match Filtering for an Endogamous Population - Blog entry by lkessler - 22 Jan 2017
... her parents. She downloaded the Chromosome Browser Results (CBR) file from FamilyTreeDNA for a set of parents and a child, and then explained how she did the matching in a spreadsheet. Roberta’s key result was a Parent Child Phased Segment Match Chart which show she passed the 50% mark for false matches for 7 to 7.99 cM segments rising to 87% false matches once ...
137.
Double Match Triangulator - Version 1.4 - Blog entry by lkessler - 20 Jan 2017
... can get the new version on my DMT page. It is freeware to help you do autosomal DNA segment analysis. Now Works with Older CBR files My own FamilyTreeDNA results came in 11 days ago. When I downloaded my Chromosome Browser Results (CBR) file and ran it through DMT, it didn’t find any triangulations with anybody. That’s ...
138.
What to do When Your @FamilyTreeDNA Autosomal Results Come In - Blog entry by lkessler - 10 Jan 2017
It’s always an exciting day when your DNA results come back. After analyzing my uncle’s results ad infinitum for the past six months, I finally bit the bullet and sent away for my own test. The FamilyTreeDNA Holiday Season sale with coupons for extra dollars off was quite motivating. I ...
139.
One More #RootsTech and #InnovatorSummit 2017 Pass Giveaway - Blog entry by lkessler - 9 Jan 2017
... I entered my program Double Match Triangulator (DMT), a Windows program for autosomal DNA analysis. My program was selected as one of the 10 semi-finalists in the contest and I’ll be pitching it live at RootsTech, in a Shark-Tank-like format, on Wednesday February 8, the Innovator Summit day of RootsTech. Each of the RootsTech Ambassadors were given a free pass to give ...
140.
Probability of No X Segments Matching - Blog entry by lkessler - 25 Dec 2016
... is from both of her parents and since the X chromosome (according to FamilyTreeDNA) is 196 cM, that means it recombines with an average of about 1.96 crossovers, which I will round to be 2.. The father’s is passed intact only to his daughter without recombining. So a son only gets one X chromosome from his mother which will have on average 2 crossovers. A daughter ...