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Author: thednageek

Testing My Hypothesis About Genetic Communities at AncestryDNA

November 20, 2017 thednageek 4d Comments

In March, AncestryDNA introduced a new feature called Genetic Communities (GCs for short). At the time, I described the Genetic Communities…

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Posted in: Ethnicity Estimates, Making Sense of DNA Filed under: AncestryDNA, contests, Genetic Communities

MyHeritage Has Nearly 700,000 in Their Database!

November 14, 2017 thednageek 20d Comments

I received word today from Yaniv Erlich, the Chief Science Officer at MyHeritage, that their database contains 670,000 individuals! That’s…

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Posted in: DNA Testing Filed under: autosomal DNA, database size, MyHeritage

DNA Databases Continue to Grow Rapidly

November 10, 2017 thednageek 18d Comments

Well, it’s been a whirlwind couple of weeks in DNA World, what with AncestryDNA reporting that they’d surpassed 6 million…

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Posted in: DNA Testing Filed under: 23andMe, AncestryDNA, autosomal DNA, database size, Family Tree DNA, MyHeritage

Ancestry Veterans Day Flash Sale!

thednageek Leave a comment

Ancestry is offering 50% off memberships for Veterans Day!  This is a 24-hour flash sale, from 9 p.m. PST November…

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Posted in: Lagniappe Filed under: Ancestry.com, sales

The Genetic Communities Challenge

October 16, 2017 thednageek 12d Comments

A little over 6 months ago, AncestryDNA introduced their new Genetic Communities feature. Genetic Communities are groups of people who…

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Posted in: DNA Testing, Ethnicity Estimates Filed under: AncestryDNA, contests, Genetic Communities

MPEs, Probabilities, and Why You Need DNA, Even if You Think You Don’t

October 5, 2017 thednageek 26d Comments

NOTE: The original version of this post used an inappropriate simplification of the math. Ann Turner, Louis Kessler, and Andrew…

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Posted in: Making Sense of DNA Filed under: autosomal DNA, misattributed paternity, probability

Do You Have a Legacy Plan for Your DNA?

September 28, 2017 thednageek 1 Comment

We write wills to provide for our loved ones after we die and to ensure that precious family heirlooms go…

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Posted in: Lagniappe Filed under: beneficiary, Blaine Bettinger, Family Tree DNA, genetic ownership, genetic privacy

Sometimes the Wall Wins—The Search for John T. Larkin

September 24, 2017 thednageek 14d Comments

Bessie Elizabeth Reid (1871–1905) had a hard life. Born in New Orleans, Louisiana, on 17 Jul 1871, she was the…

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Posted in: Busting Brick Walls Filed under: autosomal DNA, Larkin, Lawless, New Orleans, Reed, Reid, Weicks, yDNA

What’s New in Autosomal DNA Transfers

September 12, 2017 thednageek 64d Comments

UPDATES: Please see the list of updates to this post, which are at the bottom. For step-by-step instructions on how…

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Posted in: DNA Testing Filed under: 23andMe, AncestryDNA, atDNA, autosomal DNA transfers, DNA.Land, Family Tree DNA, GEDmatch, GEDmatch Genesis, Living DNA, MyHeritage, WeGene

Julie’s Story

September 6, 2017 thednageek 7d Comments

In “Escape from the Overlap Zone“, I wrote about a way to distinguish between relationships for which the shared amount…

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Posted in: Finding Family Filed under: adoptees, AncestryDNA Matching White Paper, overlap zone, probability, relationship prediction, Shared cM Project, simulations

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