Genetics for Genealogy
This page provides a platform to organize and distribute workshop and course materials on the genetics of genealogical relationships. Here you will find slide presentations from past events along with links to web pages containing detailed explanations of certain topics.
Source: Bryant McAllister, PhD
Overview: With a single mouse-click sophisticated genetic tests for human ancestry analysis are available directly to consumers at a relatively low cost. Advances in human genetics over the past 30 years have enabled the emergence and growth of this “recreational genetics” marketplace. My goal is to introduce the science underlying these tests, compare the products delivered by the companies that dominate the US marketplace (e.g., 23andMe, AncestryDNA, Family Tree DNA, MyHeritageDNA, and The Genographic Project), and demonstrate their utility. Personal genetic analysis provides a window into the past at different time scales, including genetic inferences of pre-genealogical ancestry along with the discovery of genetic relationships between cousins as a genealogical research tool. They also provide the means to glean information from your own DNA recipe.
- Evaluate the products and deliverables of direct-to-consumer DNA tests
- Conceptualize the organization of the human genome and properties that contribute to its variability among individuals
- Build proficiency in the methods and interpretation of test results of human ancestry and biological relationships
I posted a few times in the summer of 2015 when 23andMe and AncestryDNA both reached the threshold of genotyping their first million customers. I'm consistently amazed at how popular these commercial DNA tests have become. In this year, 23andMe has grown to 2 million customers in the 10 years https://mediacenter.23andme.com/about-us/ since launching the first version of their DNA testing service. AncestryDNA now has 5 million customers https://www.ancestry.…
June 26, 6-7pm, Meeting Room A, Iowa City Public Library
DNA testing is a powerful tool used by law enforcement agencies. Now, investigators may have a new resource to identify criminals: direct-to-consumer genetic testing databases. Join us to learn about the history of genetic testing in criminal cases, and how DNA and genealogical data can be combined to crack cold cases (recently featured in the Golden State killer case). We will discuss benefits and cautionary tales of using DNA in criminal investigations. Looking forward, we will survey major technical and legal issues surrounding the use of direct-to-consumer genetic testing data such as AncestryDNA or 23andMe to identify crime suspects.
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Past Events & Materials
April 9, 2016 - Des Moines, IA
Session 1 - Navigating the DNA Marketplace (slides)
Session 2 - Connecting Cousins for Genetic Genealogy (slides)
- Option A - Getting More from Your SNP Data (Advanced - slides)
- Option B - Small-Group Tutorials (Beginner)
Session 4 - Ancestry Analysis from DNA (slides)