DNA Interest Group Meeting
Saturday, October 29, 2022
10:00 a.m. – 12:00 p.m.
HYBRID
For those wanting to attend in person, come to the SCGS Library. $5.00 donation is suggested for attendance in person.
For those wanting to attend remotely, you must register for the meeting. To register for this SPECIAL webinar meeting
and pay the $5.50 fee, go to: https://attendee.gotowebinar.com/register/5710355843975532304
After registering, you will receive a confirmation email containing information about joining the webinar.
Topic: Understanding the X Chromosome in Genetic Genealogy
The X chromosome has a unique inheritance pattern. It should not be confused with the mitochondrial DNA which is only passed down from maternal ancestors. This presentation will explain in layman’s
terms both the scientific basis of the X chromosome inheritance patterns and its practical use for genealogists. Adoptees will want to find out why it is such an important chromosome and how it
differs from the other chromosomes. It is particularly useful for half-sisters looking for their biological father in common. Learn how to identify an X match in a direct-to-consumer online DNA browser.
Even if your chosen test company does not provide X matches, you may still be able to upload your DNA to a third party site such as GEDmatch and make new discoveries. Success stories and practical
uses will be presented. This discussion will be most beneficial if you have already tested your DNA for genealogy purposes and have at least an intermediate understanding of the match process.
Presenter: Kathryn Johnston M.D. has been actively studying genetic genealogy since 2004. She wrote the chapter, “X-DNA Techniques and Limitations” for the book, Advanced Genetic Genealogy: Techniques and Case Studies. Editor Debbie Parker Wayne, Wayne Research, Cushing Texas. 2019.
10:00-10:10 Announcements & Introductions
10:10-11:45 Presentation and Q & A.
For those who want to order DNA tests or who have received DNA results and need help managing their personal page or interpreting their results.
For more info, contact Bonny Cook, Alice Fairhurst, and Kathy Johnston at dna@scgsgenealogy.com
SCGS sponsors two projects through Family Tree DNA.
Call 713-868-1438 or order online at:
· SCGS project for ANY SURNAME, http://goo.gl/WGxC1X
· French Heritage project, http://goo.gl/UUcDXX
Southern California Genealogical Society
417 Irving Drive, Burbank, CA 91504
(818) 843-7247
Cross street: Glenoaks Blvd.
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