Category Archives: mtDNA

Plot twist: Mitochondrial DNA can come from both parents

I had a couple of friends send me links on Plot twist: Mitochondrial DNA can come from both parents: https://www.the-scientist.com/news-opinion/fathers-can-pass-mitochondrial-dna-to-children-65165, https://arstechnica.com/science/2018/11/plot-twist-mitochondrial-dna-can-come-from-both-parents/, https://www.smithsonianmag.com/smart-news/dads-also-pass-mitochondrial-dna-contrary-long-standing-belief-180970940/,  https://www.youtube.com/watch?v=JE9WnROTSQs (YouTube video), and https://en.wikipedia.org/wiki/Paternal_mtDNA_transmission. In this section of the above Wikipedia article, https://en.wikipedia.org/wiki/Paternal_mtDNA_transmission#In_humans, it sounds like it isn’t … Continue reading

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Finding Your Bio People – Testing Companies – Part II — The ABC Blog

When I tested there were not as many “commercial” testing companies as there are now. There are “professional” labs that have done testing for years. With the launch of Ancestry.com autosomal DNA testing in 2012 testing for the average person … Continue reading

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23andMe The Story of Your DNA Book

In an unusual twist, I noticed my niece had tested with 23andMe. She’s the same niece that tested at AncestryDNA a while back. Her test had to be recent as she’s only on the middle of page 4 when I … Continue reading

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One little change — The Legal Genealogist

Enable us, Family Tree DNA! The furor over the unilateral decision of the genealogical DNA testing company Family Tree DNA to change its terms of service and open its customer database to law enforcement for use in criminal investigations comes … Continue reading

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Will My Search for Half-Siblings Be Successful?

I have three (3) known half-siblings. By known, I am referring to knowing that how many I have been told about. To break them down, they are all females. One is on Mom’s side, 52 Ancestors Week 11 The Sister … Continue reading

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Opening the DNA floodgates — The Legal Genealogist

FTDNA database now wide open to law enforcement The Legal Genealogist has long been one of the biggest fans of the DNA testing company, Family Tree DNA (FTDNA), part of the Gene by Gene companies of Houston, Texas. A company … Continue reading

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FTDNA Opens the Door to the Cops — The DNA Geek

This post has been updated. Today, Buzzfeed broke the story that Family Tree DNA has been allowing FBI agents to use their database for criminal investigations. What’s more, Gene-by-Gene, the parent company of FTDNA, is selling DNA analysis services to … Continue reading

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Current February 2019 DNA Sales

Current January 2019 DNA sales, updated daily or every other day. Continue reading

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Ethnicity DNA Results Don’t Match Your Paper Ethnicity?

This is one of the most common complaints or questions I see in various social media groups, mostly Facebook, although it sometimes crops on Twitter. The usual explanation, by a very large margin, is the science isn’t there yet. That’s … Continue reading

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Mitochondrial DNA Bulldozes Brick Wall — DNAeXplained – Genetic Genealogy

I’m doing that happy dance today – leaping for joy – and am I EVER glad I’ve sponsored so many mitochondrial DNA tests. Today, I’m incredibly thankful for one particular DNA test. Think mitochondrial DNA doesn’t work or isn’t effective … Continue reading

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