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Tag: autosomal DNA

Science the Heck Out of Your DNA — Part 1

January 2, 2018 thednageek 40d Comments

Scroll down for links to other posts in this series.   Basic Probability Last year, I wrote a post entitled…

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Posted in: Making Sense of DNA Filed under: adoptees, autosomal DNA, hypothesis testing, probability, relationship prediction, unknown parentage

Black Friday Breakthrough!

November 28, 2017 thednageek Leave a comment

AncestryDNA sold more than three times as many DNA tests during this year’s Black Friday/Cyber Monday sale as during the…

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Posted in: DNA Testing Filed under: AncestryDNA, autosomal DNA, Black Friday, sales

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

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

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

Updated Estimates of the Genealogical atDNA Database Sizes

April 23, 2017 thednageek 3d Comments

I recently published a post in which I estimated the effective database sizes for Family Tree DNA, 23andMe, and MyHeritage…

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

Estimating the Sizes of the Genealogical atDNA Databases

April 17, 2017 thednageek 19d Comments

The past few months have brought some exciting news from two of the main autosomal DNA (atDNA) companies: AncestryDNA exceeded 3 million…

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

Let’s Track the Autosomal Database Sizes

April 9, 2017 thednageek 5d Comments

AncestryDNA and 23andMe periodically announce the sizes of their autosomal databases.  AncestryDNA reached 3 million in January, and 23andMe just announced…

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

23andMe Breaks Two Million!

thednageek 3d Comments

In a televised interview on 7 April 2017, the CEO of 23andMe, Anne Wojcicki, discussed the company’s new FDA-approved disease-risk…

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Posted in: DNA Testing Filed under: 23andMe, autosomal DNA, database size

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