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Month: April 2017

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

AncestryDNA Hits Four Million!

April 22, 2017 thednageek 2d Comments

One of my favorite things to do is update the graph I provide to the genetic genealogy community showing the…

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Posted in: DNA Testing Filed under: AncestryDNA, database size

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

“Pruning” to Find Shared Ancestors in Private Trees

April 5, 2017 thednageek 50d Comments

If you have taken the AncestryDNA test and “attached” a family tree to your results, Ancestry’s computers will search the trees…

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Posted in: Making Sense of DNA Filed under: adoptees, AncestryDNA, private trees, Shared Ancestor Hints, unknown parentage

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