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How to Understand Your Closest Autosomal DNA Test Matches

February 16, 2023 by Paul - Legacy Tree Genealogists Researcher 11 Comments

This article is based on a similar article from the January - March 2022 issue of NGS Magazine and is reprinted here with permission. We hope it helps you know how to better understand your autosomal DNA Test matches and what it means for you.  Autosomal DNA test results at the major genetic genealogy testing companies (23andMe, Ancestry, Family Tree DNA, LivingDNA, MyHeritage) include two main elements: ethnicity admixture estimates and genetic cousin match lists. Ethnicity estimates are a … [Read more...]

Filed Under: DNA Research, ethnicity admixture, Genealogy Records and Resources, genetic admixture Tagged With: Autosomal, DNA, genetic genealogy

6 Signs of Misattributed Parentage in Your Genetic Family Tree 

January 4, 2023 by Paul - Legacy Tree Genealogists Researcher 4 Comments

Best DNA Testing for Genealogy Research

While DNA testing and genetic evidence are certainly useful for breaking down challenging historic brick walls, the implications of DNA testing can also hit closer to home in the modern era when it comes to research on misattributed parentage.   In cases of adoption, unknown parentage or misattributed parentage, genetic genealogy methodologies enable identification of close biological ancestors whose identities might otherwise remain unknown, and which represent immediate brick walls for any … [Read more...]

Filed Under: Adoption & Genetic Genealogy, DNA Research, ethnicity admixture, genetic admixture Tagged With: DNA, dna painter, DNA testing, ethnicity, genealogy, genetic genealogy, misattributed parentage, Y-DNA testing

Top 5 DNA and Genetic Genealogy Blog Posts in 2022

December 22, 2022 by Legacy Tree Genealogists Leave a Comment

DNA and Genetic Genealogy top articles

The use of DNA and genetic genealogy have become widely used strategies for solving challenging genealogy research projects since DNA testing became available to the public in the early 2000s.  With our team of expert genetic genealogists at Legacy Tree, we can break through brick walls, discover unknown parentage, and make family tree connections that were impossible just a few short decades ago. In case you missed them, below are the top five DNA and genetic genealogy blog posts of 2022 … [Read more...]

Filed Under: DNA Research, Genealogy Brick Walls, Top Posts Tagged With: 2022, DNA, genetic genealogy, methodology, top posts

Nine Tips for Successful Adoption Research with Genetic Genealogy

December 19, 2022 by Paul - Legacy Tree Genealogists Researcher Leave a Comment

Best adoption researchers

While DNA testing and genetic evidence are certainly useful for breaking down challenging historic brick walls, the implications of DNA testing can also hit closer to home in the modern era when it comes to adoption research.  In cases of adoption, unknown parentage or misattributed parentage, genetic genealogy methodologies enable identification of close biological ancestors whose identities might otherwise remain unknown, and which represent immediate brick walls for any genealogist dealing … [Read more...]

Filed Under: Adoption & Genetic Genealogy, Genealogy Tips & Best Practices, genetic admixture Tagged With: adoption, adoption research, DNA testing, finding biological parents, genetic cousins, genetic genealogy, mitochondrial dna testing, Y-DNA testing

Better Living Through Statistics: What Are The Odds?

February 16, 2021 by Legacy Tree Genealogists 5 Comments

The What Are the Odds DNA tool is a free resource to help you compare the probability of relationships with your DNA matches.   The advent of consumer autosomal DNA testing has allowed genealogists to use DNA results to break down seemingly impenetrable genealogical brick walls. Whether your research question is “who is my biological father?” or “who is my third-great-grandmother?”, autosomal DNA can be used to find answers about your origins. Suppose you’re looking at your DNA match list … [Read more...]

Filed Under: Adoption & Genetic Genealogy, Genealogy Records and Resources Tagged With: DNA, genetic genealogy, tool, WATO, What Are The Odds

The Biological Journey of DNA Inheritance: Meiosis to Fertilization

February 1, 2021 by Paul - Legacy Tree Genealogists Researcher 2 Comments

Understanding the biologial journey of genetic inheritance can help in the interpretation of DNA evidence for genealogy research. *This article originally appeared in NGS Magazine, and is reprinted with permission. Different DNA inheritance paths  can help solve genealogical mysteries. These unique inheritance patterns provide important context for interpretation of DNA test results and enable genealogical discoveries, but why is DNA inherited the way it is? What underlying biological … [Read more...]

Filed Under: Adoption & Genetic Genealogy Tagged With: DNA, fertilization, genetic, genetic genealogy, inheritance, meiosis, paths

DNA to the Rescue! Solving an Irish Genealogy “Brick Wall”

January 8, 2021 by Jamie - Legacy Tree Genealogists Researcher 6 Comments

solving an Irish genealogy "brick wall" with DNA evidence

A case study that demonstrates how to use document evidence in conjunction with DNA evidence to resolve an Irish genealogy "brick wall". *Shared with client permission Researchers with Irish ancestors have often thrown up their hands in despair when they learn about the massive record loss on that small island. Knowing one’s birthdate or even one’s age was not an Irish cultural value until well into the 20th century, which further complicates Irish research. “Crossing the pond” to document … [Read more...]

Filed Under: Adoption & Genetic Genealogy, Genealogy Records and Resources, Irish Ancestors Tagged With: ancestry, brick wall, census, DNA, evidence, family history, genealogy, genealogy resources, genealogy tips, genetic genealogy, Ireland, Irish

The Journey of DNA’s Inheritance Paths: X-DNA and Autosomal DNA

November 16, 2020 by Paul - Legacy Tree Genealogists Researcher Leave a Comment

X-DNA and autosomal DNA inheritance patterns

The stories in this article demonstrate how X-DNA and autosomal DNA can be used to solve research problems based on DNA inheritance patterns. *This article originally appeared in NGS Magazine, and is reprinted with permission The DNA in humans today has taken a far- ranging journey from ancestors of long ago. The stories in this column demonstrate how DNA can be used to solve research problems based on inheritance patterns. Each human has DNA, a biological code that affects many physical, … [Read more...]

Filed Under: Adoption & Genetic Genealogy Tagged With: autosomal DNA, brick walls, DNA, family history, genealogy, genetic genealogy, genetic inheritance paths, X-DNA

Shocking Ethnicity Estimate Leads to Life-Altering Discovery

October 2, 2020 by Paul - Legacy Tree Genealogists Researcher 13 Comments

A surprising ethnicity estimate leads Tom to explore the possibility that the father who raised him was not his biological father. Sometimes, genetic genealogy test results don’t fit with what you might expect given what you know (or think you know) about your family tree. These anomalies can sometimes be explained by the way in which estimates are generated. Other times, surprising ethnicity results are instead due to cases of recent misattributed parentage. Such was the case with Tom.  We … [Read more...]

Filed Under: Adoption & Genetic Genealogy, Uncategorized Tagged With: biological father, DNA, DNA test results, ethnicity estimate, genetic genealogy, misattributed parentage

The Journey of DNA’s Inheritance Paths: mtDNA and Y-DNA

September 18, 2020 by Paul - Legacy Tree Genealogists Researcher Leave a Comment

DNA has taken a far-ranging journey from our ancestors of long ago. The stories in this article demonstrate how mtDNA and Y-DNA can be used to solve research problems based on DNA inheritance patterns. *This article originally appeared in NGS Magazine, and is reprinted with permission. Each human has DNA, a biological code that affects many physical, emotional, and behavioral characteristics. Humans inherit copies of DNA from their parents, who in turn inherited portions of DNA from their … [Read more...]

Filed Under: Adoption & Genetic Genealogy Tagged With: ancestry, DNA, dna inheritance patterns, genealogy, genetic genealogy, genetic inheritance, mitochondial DNA, mtDNA, Y-DNA

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