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Tag: autosomal DNA

DNA Basics: Are You an Equal Mix of Mom and Dad?

December 7, 2020 thednageek 12d Comments

Do you inherit exactly half of your DNA from each parent?  As with so many questions in genealogy and in…

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Posted in: Making Sense of DNA Filed under: autosomal DNA, chromosomes, DNA inheritance

A Major Update to “What Are the Odds?”

June 3, 2020 thednageek 17d Comments

What Are the Odds? is one of the most helpful tools for autosomal DNA, and now it’s even better!

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Posted in: Making Sense of DNA Filed under: adoptees, autosomal DNA, third-party tools, unknown parentage, What Are the Odds? (WATO)

Science the Heck Out of Your DNA — Part 7

July 9, 2018 thednageek 32d Comments

This is my 100th post! A special thanks to all of my readers for making blogging so much fun. Scroll…

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

Survey: How Accurate Is Your DNA Test?

June 7, 2018 thednageek 28d Comments

The autosomal tests we do for genealogy examine more than 500,000 SNPs (individual units) of DNA. That’s a lot of…

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Posted in: DNA Testing Filed under: autosomal DNA, error rate, no-call rate, poll

DNA Basics: Mutations

April 24, 2018 thednageek 4d Comments

Variety is the spice of life, they say, but where does variety come from?  Genetically speaking, it comes from mutations.…

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Posted in: Making Sense of DNA Filed under: autosomal DNA, DNA basics, mitochondrial DNA, mutations, short tandem repeats (STRs), single nucleotide polymorphisms (SNPs), yDNA

DNA Day 2018!

April 20, 2018 thednageek 2d Comments

DNA Day Sales are on across the board!  All of the main genetic genealogy companies are offering steep discounts on…

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Posted in: DNA Testing Filed under: 23andMe, AncestryDNA, autosomal DNA, DNA Day, Family Tree DNA, Living DNA, mitochondrial DNA, MyHeritage, sales, yDNA

23andMe Expands its Ancestry Composition Reports

February 28, 2018 thednageek 12d Comments

23andMe announced today that they will soon be adding 120 new geographic regions to their Ancestry Composition report (sometimes called…

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Posted in: DNA Testing, Ethnicity Estimates Filed under: 23andMe, autosomal DNA

Science the Heck Out of Your DNA — Part 6

February 18, 2018 thednageek 14d Comments

Scroll down for links to other posts in this series. I presented a talk on this method at the i4GG…

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

Science the Heck Out of Your DNA — Part 5

January 25, 2018 thednageek 10d Comments

Scroll down for links to other posts in this series. I presented a talk on this method at the i4GG…

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

Science the Heck Out of Your DNA — Part 4

January 16, 2018 thednageek 36d Comments

Scroll down for links to other posts in this series. I presented a talk on this method at the i4GG…

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

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