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Yaniv Was Right

September 12, 2023 thednageek 28d Comments

Genetic genealogy needs to protect itself with cryptosignatures.

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Posted in: DNA Testing Filed under: AncestryDNA, autosomal DNA transfers, cryptographic signature, data security, DNA uploads, forensic genetic genealogy, informed consent, law enforcement, Yaniv Erlich

AncestryDNA Plus: A New DNA Subscription Tier

September 1, 2023 thednageek 103d Comments

AncestryDNA is rolling out a new pricing scheme, called AncestryDNA Plus, that charges a small subscription fee to access to…

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Posted in: Uncategorized

Maude

August 26, 2023 thednageek 16d Comments

Christine Davis of DavisDNA was perplexed.  And with good reason! A few weeks earlier, she’d uploaded a female client’s AncestryDNA…

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Posted in: Making Sense of DNA Filed under: anatomical sex, chromosomal sex, monosomy rescue, SRY gene, X chromosome, Y chromosome

Fact Check: The Misunderstood Centimorgan

July 29, 2023 thednageek 22d Comments

What is a centimorgan, anyway?

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Posted in: Making Sense of DNA Filed under: centimorgan, definition

Noble Cause, No Rules

June 27, 2023 thednageek 38d Comments

This post has been updated. The Terms and Conditions at MyHeritage state: Using the DNA Services for law enforcement purposes,…

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Posted in: Forensic Genetic Genealogy Filed under: Department of Justice, ethics, forensic genetic genealogy, law enforcement, MyHeritage DNA, Terms of Service

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…

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Posted in: Making Sense of DNA Filed under: autosomal DNA, half relationships, relationship prediction

Between Full and Half: Three-quarter Siblings

June 16, 2023 thednageek 15d Comments

Oops!  I’ve made an error in some of the analyses for this post.  I will update it as soon as…

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Posted in: Making Sense of DNA Filed under: full siblings, fully-identical regions, half siblings, half-identical regions, histograms, Ped-sim, relationship prediction, segment number, simulations, three-quarter siblings

The Award for Best Relationship Predictor Goes to …

June 9, 2023 thednageek 6d Comments

Relationship Predictor Survey The Relationship Predictor Survey was launched in March 2023 to collect large-scale data from citizen scientists (like…

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Posted in: Making Sense of DNA Filed under: age, AncestryDNA, MyHeritage DNA, predicted relationships, relationship prediction, shared centimorgans, Shared cM Tool

The Science Behind Relationship Predictors

May 27, 2023 thednageek 8d Comments

Relationship Predictor Survey There are now several tools that predict which genealogical relationships are most likely for given amounts of…

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Posted in: Making Sense of DNA Filed under: cM Explainer, MyHeritage DNA, relationship prediction, shared centimorgans, Shared cM Project, Shared cM Tool

Rules? We Don’t Need No Stinkin’ Rules

May 20, 2023 thednageek 97d Comments

In a fit of anger, William Leslie Arnold murdered his parents in 1958 in Nebraska.  He escaped jail in 1967,…

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Posted in: Forensic Genetic Genealogy Filed under: 23andMe, AncestryDNA, Department of Justice, ethics, forensic genetic genealogy, MyHeritage DNA, Othram, Parabon NanoLabs

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Recent Posts

  • Yaniv Was Right September 12, 2023
  • AncestryDNA Plus: A New DNA Subscription Tier September 1, 2023
  • Maude August 26, 2023
  • Fact Check: The Misunderstood Centimorgan July 29, 2023
  • Noble Cause, No Rules June 27, 2023

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