Skip to content
The DNA Geek
Mixing science and genealogy.
  • Home
  • About
  • Media
  • Privacy & Disclaimers
  • Events
  • DNA Tests
  • Blog

Tag: autosomal DNA

A table with several paper cut outs of people.

Is Your Family Tree Biologically Correct?

March 30, 2024 thednageek 22d Comments

BanyanDNA gives us more power to validate our biological trees.

Continue Reading →

Posted in: Making Sense of DNA Filed under: autosomal DNA, BanyanDNA, hypothesis testing, validation
A red stamp that says " reject christ ".

Fact Check: Do Half Relationships “Fade” Faster?

June 26, 2023 thednageek 3d Comments

QUESTION: A reader contacted me recently to ask: Is it true that half-relationship DNA “fades” faster? And if that’s the…

Continue Reading →

Posted in: Making Sense of DNA Filed under: autosomal DNA, half relationships, relationship prediction
A picture of an image with the words " dna geek education learn from us ".

Up Your DNA Game With New Courses in 2023

January 7, 2023 thednageek 4d Comments

The New Year is in full swing and promises to be great for DNA-based education, with offerings from yours truly…

Continue Reading →

Posted in: Making Sense of DNA Filed under: autosomal DNA, endogamy, math, What Are the Odds? (WATO), Y chromosome, y DNA

A World of DNA

February 22, 2022 thednageek 6d Comments

Which genealogy tests are available in which countries?

Continue Reading →

Posted in: DNA Testing Filed under: 23andMe, AncestryDNA, autosomal DNA, countries, country, Family Tree DNA, international availability, Living DNA, MyHeritage DNA
A sign that says love to learn

Education: So Many Choices!

January 6, 2022 thednageek 7d Comments

A silver lining of the covid years is the rise of virtual genealogy education. We can learn almost anything now…

Continue Reading →

Posted in: Making Sense of DNA Filed under: analysis, autosomal DNA, education, relationship prediction, What Are the Odds? (WATO), workshops, writing
Cartoon graphic with title

DNA Q&A: Ask Us Anything!

December 10, 2021 thednageek 53d Comments

The DNA Q&A is a relationship advice column for genetic genealogy instead of bad lovers.
(Level: Beginner)

Continue Reading →

Posted in: Making Sense of DNA Filed under: autosomal DNA, database size, DNA testing, mitochondrial DNA, mtDNA, relationship prediction, Y chromosome, y DNA, yDNA
A red sign with no symbol on it.

DNA as Negative Evidence

November 14, 2021 thednageek 11d Comments

We may not know exactly how we’re related to our autosomal DNA matches, but we know we are related to…

Continue Reading →

Posted in: Busting Brick Walls, Making Sense of DNA Filed under: advanced, autosomal DNA, England, HAPI-DNA, negative evidence, shared DNA, World War I, y DNA, yDNA
Books, pencils, an apple, and alphabet blocks

Virtual Learning With The DNA Geek!

September 12, 2021 thednageek 12d Comments

Do you enjoy The DNA Geek‘s blog? Do you like asking questions and learning from other students in live classes?…

Continue Reading →

Posted in: Making Sense of DNA Filed under: autosomal DNA, education, lecture, organization, third-party tools

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

December 7, 2020 thednageek 20d Comments

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

Continue Reading →

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 56d Comments

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

Continue Reading →

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

Post navigation

Page 1 of 4
1 2 … 4 Next →

Disclaimer

Some of the ads and links on this website are “affiliate links” which pay me a commission if you purchase through them. The cost is the same for you. Click here for more information.

Subscribe!

Enter your email address to receive notifications of new posts by email.

Categories

Join Us on Facebook!

A word cloud of the words dna roundtable.
A close up of the word gloss

Recent Posts

  • How Are Our Databases Doing? April 23, 2025
  • 23andMe Is Reorganizing. It’s Okay. March 25, 2025
  • BanyanDNA and the Habsburgs February 8, 2025
  • Baby Garnet and Informed Consent Revisited December 21, 2024
  • FTDNA Joins the “So Sue Me” Party December 3, 2024

Archives

  • April 2025
  • March 2025
  • February 2025
  • December 2024
  • November 2024
  • July 2024
  • June 2024
  • March 2024
  • January 2024
  • December 2023
  • November 2023
  • October 2023
  • September 2023
  • August 2023
  • July 2023
  • June 2023
  • May 2023
  • April 2023
  • March 2023
  • January 2023
  • December 2022
  • November 2022
  • October 2022
  • September 2022
  • August 2022
  • May 2022
  • March 2022
  • February 2022
  • January 2022
  • December 2021
  • November 2021
  • September 2021
  • August 2021
  • June 2021
  • May 2021
  • April 2021
  • March 2021
  • February 2021
  • January 2021
  • December 2020
  • November 2020
  • October 2020
  • July 2020
  • June 2020
  • May 2020
  • February 2020
  • January 2020
  • December 2019
  • November 2019
  • October 2019
  • September 2019
  • July 2019
  • June 2019
  • May 2019
  • April 2019
  • March 2019
  • February 2019
  • January 2019
  • December 2018
  • November 2018
  • October 2018
  • September 2018
  • August 2018
  • July 2018
  • June 2018
  • May 2018
  • April 2018
  • March 2018
  • February 2018
  • January 2018
  • December 2017
  • November 2017
  • October 2017
  • September 2017
  • August 2017
  • July 2017
  • June 2017
  • May 2017
  • April 2017
  • March 2017
  • February 2017
  • January 2017
  • December 2016
  • November 2016
Copyright © 2025 The DNA Geek — Ascension WordPress theme by GoDaddy
 

Loading Comments...