DNA Science
  • Home
  • Articles
  • About Me
  • Friends
Select Page
Charles II, Habsburg of Spain: What exactly was up with his DNA?

Charles II, Habsburg of Spain: What exactly was up with his DNA?

by Brit Nicholson | Apr 18, 2021 | Blog, DNA Science

Previous calculations could only estimate the expected value I see a lot of articles and posts being shared about Charles II of Spain. He was the last of the Habsburg dynasty and that demise has been attributed to the extreme intermarriage in his recent family tree...

23andMe: Statistics for Use by Counselors in Cases of Incest

by Brit Nicholson | Feb 14, 2021 | Blog, DNA Science

You probably got here from this page. If not, it’s probably a good idea to go look at it and see what this page is about before continuing. Some of the statistics here won’t actually be viewable at 23andMe. The real purpose of this page is to provide the...

AncestryDNA: Statistics for Use by Counselors in Cases of Incest

by Brit Nicholson | Feb 12, 2021 | Blog, DNA Science

You probably got here from this page. If not, it’s probably a good idea to go look at it and see what this page is about before continuing. Many of the statistics here won’t actually be viewable at AncestryDNA. The real purpose of this page is to provide...

Can You Just Add the Averages and Ranges for Double Relationships?

by Brit Nicholson | Jan 5, 2021 | Blog, DNA Science

People often ask how their DNA match with a cousin will be inflated if they have a double relationship with that cousin. Some helpful people have offered that you can look up shared averages and ranges for certain relationships and double all of them, or for two...

Statistics for Use by Counselors in Cases of Incest

by Brit Nicholson | Sep 23, 2020 | Blog, DNA Science

I’ve been brought in to work on several cases in which incest has been suspected and later confirmed in a family. The first thing I’d like to ask someone when they discover that there’s incest in their family is if they need to talk to someone....

Recent Posts

  • X-DNA is usually more recent than autosomal DNA
  • Double Cousin Relationship Predictions from Ped-sim
  • A New Option to Include X-DNA in Relationship Predictions

Recent Comments

  • Shanda Kerschner on New Feature: Relationship Predictions at GEDmatch
  • Brit Nicholson on Double Cousin Relationship Predictions from Ped-sim
  • Brit Nicholson on Code for an Algorithm to Find Your DNA Segments Based on MyHeritage DNA Matches
  • Julie Kelts on Code for an Algorithm to Find Your DNA Segments Based on MyHeritage DNA Matches
  • Jamie Cox on Double Cousin Relationship Predictions from Ped-sim

Archives

  • June 2022
  • May 2022
  • April 2022
  • February 2022
  • January 2022
  • December 2021
  • November 2021
  • October 2021
  • September 2021
  • August 2021
  • July 2021
  • April 2021
  • March 2021
  • February 2021
  • January 2021
  • December 2020
  • October 2020
  • September 2020
  • August 2020
  • May 2020
  • April 2020
  • March 2020
  • February 2020
Copyright © 2022 Brit Nicholson. All rights reserved.