Archive | January 2021

Can Y DNA Solve an Unknown Parentage Case?

Sometimes testing the Y chromosome can help when you are looking for a missing father, grandfather, or further back as long as you have a tester descended on the male only line. Remember the Y is passed father to son, so any changes are rare and are caused by mutations not recombination. Typically a man would start with a Y 37 STR marker test at Family Tree DNA to see if this avenue is worth pursuing. A STR test gets the most recent changes rather than the haplogroup, thus can suggest a surname. Click here for my article explaining Y testing.

Slide from my 2017 talk on DNA testing for genealogists featuring my maternal grandad

The Y results will not help if no other men from that Y lineage have tested unless you have a theory. In that case you need to test someone else descended on the male only line from the presumed ancestor.

Y testing can be very useful when the unknown parentage occured many generations ago, such that autosomal testing may not be able to solve it.

If your ancestors have been in the USA for some time then a Y 37 STR marker test may find a probable last name. In that case there may be a surname project with other Y testers at Family Tree DNA. I recommend contacting the admins of that project as they can often be a great help in your quest. However if you are from a population group which has only had inherited surnames for two hundred years or less, quite likely you will have no luck.
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Family History Fanatics Winter DNA Conference!

I will be doing a talk on GEDmatch Basics for the Family History Fanatics (FHF) Winter DNA Conference. They also have a youtube channel (click here). Here is the Press release from FHF:

KICK OFF THE YEAR RIGHT

Saturday, 30 January 2021 beginning at 9:45 AM Eastern Time.
If you can’t attend the event during the live sessions, you’ll have access to the replay for 30 days.

TOPICS & PRESENTERS

  • DNA & Law Enforcement – Marian Woods
  • GEDmatch Basics – Kitty Cooper
  • Tracing Ancestral Lines in the 1700s Using DNA – Tim Janzen
  • A Guide To Chromosome Browsers & DNA Segment Data  – Michelle Leonard

 AFTER THE SESSIONS

The four panelists will return for a “test your knowledge’ competition and then more of your unscripted rapid-fire questions. 

Early bird pricing is $19.99 until January 22nd. After that, pricing will increase to $24.99. 

When you register, you’ll be entered to win genetic genealogy-related door prizes. 

To learn more and register visit, www.familyhistoryfanatics.com/winterdna

Family History Fanatics is a genealogy education company that is focused on putting the fun into online learning. See the difference the FHF Group puts together for you.