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Tag: AncestryDNA

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

“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

Genetic Communities Are Here!

March 27, 2017 thednageek 131d Comments

On March 28, 2017, AncestryDNA rolled out a novel and exciting feature called Genetic Communities — GCs for short — as…

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

The Science Behind Genetic Communities at AncestryDNA

March 3, 2017 thednageek 14d Comments

Last month, scientists from AncestryDNA published a research paper in the journal Nature Communications that describes the science underlying the forthcoming…

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Posted in: Ethnicity Estimates, Making Sense of DNA Filed under: Acadians & Cajuns, AncestryDNA, Genetic Communities, scientific papers

Upcoming Changes to Kit Registration at AncestryDNA: Keep Calm and Carry On

February 24, 2017 thednageek 103d Comments

Some AncestryDNA users who have tried to register a new kit in the past couple of days are getting this…

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Posted in: DNA Testing Filed under: AncestryDNA, genetic privacy, informed consent

My 2017 Wish List

January 11, 2017 thednageek 14d Comments

My personal wish list for genetic genealogy in 2017 involves realistic, optimistic, and moon-shot goals. For example, I have identified…

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Posted in: DNA Testing Filed under: 23andMe, AncestryDNA, Family Tree DNA, wish list

The Limits of Predicting Relationships Using DNA  

December 19, 2016 thednageek 182d Comments

The one thing we genealogists probably want most from our autosomal DNA matches is something they can’t give us: an…

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Posted in: Making Sense of DNA Filed under: AncestryDNA, AncestryDNA Matching White Paper, DNA Detectives, probability, relationship prediction, Shared cM Project, simulations

The Pros and Cons of the Main Autosomal DNA Testing Companies—2016 Version

November 13, 2016 thednageek 61d Comments

Usually, the first questions someone new to genetic genealogy asks are “Which test should I do? And which company should…

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Posted in: DNA Testing Filed under: 23andMe, AncestryDNA, Family Tree DNA, Living DNA, MyHeritage

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