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 permissionThe 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...]
Shocking Ethnicity Estimate Leads to Life-Altering Discovery
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...]
The Journey of DNA’s Inheritance Paths: mtDNA and Y-DNA
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...]
Are You Set Up for Success? 4 Tips to Get the Most from Your 23andMe DNA Test
Are you set up for success? We share four tips to help you get the most from your 23andMe DNA test.The popularity of DNA testing in recent years has resulted in a tremendous increase in the numbers of testers in the DNA companies’ databases. Those testers represent a wide spectrum of motivations, genealogy experience, and understanding of test results. But regardless of where you fall on the spectrum, one thing is certain: everyone wants something in return for their investment. So how can you … [Read more...]
The Who, What, When, Where, Why, and How of Y-DNA Testing
What is Y-DNA testing, and what is it used for? We'll explain the who, what, where, when why, and how of Y-DNA testing, and its applications for genealogy.DNA testing for genealogy has become really popular in the past few years, and incredible discoveries are being made through DNA testing that in many cases, could not be made any other way. Most of the recent attention has been on autosomal testing. However, Y-DNA testing also provides great genealogical value, and while more limited in … [Read more...]
To Test or Not to Test – An Excellent Question
"Should I take a DNA test?" We evaluate the reasons for - and against- taking a DNA test.*This article originally appeared in NGS Magazine, and is reprinted with permission.The first hurdle a researcher may face as they contemplate engaging with the growing field of genetic genealogy may be the decision of whether or not to take a DNA test in the first place. While DNA testing is increasingly useful for the genealogist, the power of genetic genealogy to reveal surprising or unexpected … [Read more...]
“Go Fish!” 7 Tips for Casting a Wide DNA Net
When seeking to identify a biological relationship, don't overlook the importance of casting a wide DNA net. We'll show you how!*names have been changes to protect privacyWhat Does "Casting a Wide DNA Net" Mean?Over the last decade, DNA testing has proven to be a powerful tool in genealogy research. One of the strategies repeated most often is the recommendation to "cast a wide net", or test at all the major testing companies. This is also commonly referred to as “fishing in all ponds.” … [Read more...]
How Do I Determine Genetically Equivalent Relationships?
An understanding of genealogical relationships is necessary before diving into genetically equivalent relationships in your family history. This article will provide an overview of both concepts.Correctly evaluating shared DNA within the context of genetically equivalent relationships first requires mastery of genealogical relationships. Here we review important genealogical relationships based on some of the pertinent variables. For the sake of simplicity, we limit our analysis to biological … [Read more...]
Exploring Ethnicity with DNA: Part I
DNA tests can reveal important details regarding ancestry and ethnic origins. We explore how DNA and ethnicity are intertwined.Many of the queries we receive at Legacy Tree Genealogists concern elusive ancestors who are difficult to trace. Sometimes there are rumors of descent from Native American, African, or Jewish ancestry. Other times there are no clues at all regarding an ancestor’s origins. In cases of ethnic origins, DNA testing is a unique tool that can assist in proving or … [Read more...]
The Who, What, Where, and Why of Genetic Genealogy Testing
In the future, genetic testing will become an increasingly integral part of the fields of family history and genealogy. Even now, genetic testing is sometimes considered necessary as part of the reasonably exhaustive search required for the genealogical proof standard.In this introduction to DNA testing for family history purposes, we'll outline how DNA tests work, provide an explanation of the tests available and the companies that offer them, and finally, explain what results you can … [Read more...]
