Go Back   Family Tree DNA Forums > Maternal Lineages (mtDNA) > mtDNA - Genealogy Basics

mtDNA - Genealogy Basics All may view this forum, but you must register and sign in to post.

Reply
 
Thread Tools Display Modes
  #1  
Old 13th June 2018, 10:39 AM
Svein Davidsen Svein Davidsen is offline
FTDNA Customer
 
Join Date: Jun 2005
Location: Switzerland and France
Posts: 139
mtDNA Hg T2b help

I posted this query in the FTDNA T2 Project a few weeks ago, but as I have had no response I'll try my luck here!!

I administer my wife's account where she has the results from her mtFullSequence test.

In the T2 Project she has been assigned to "Hg T2b - Subgroup C". She has zero matches with GD=0 or 1, but over 20 with GD=2.

She has a mutation in HVR2 region at A214G (SMGF said it was a Heteroplasmy), plus two mutations in the Coding Region, A10295G and G14226A.

My question is: What is the explanation for the 20+ matches with GD=2 when she has 3 mutations? I know, for example, that at least one of her GD=2 matches do not have the HVR2 mutation - it is as if one of the listed Coding Region mutations don't count.

Any clues will be gratefully accepted!
Reply With Quote
  #2  
Old 13th June 2018, 01:59 PM
J Honeychuck J Honeychuck is offline
FTDNA Customer
 
Join Date: Apr 2010
Location: UK
Posts: 349
Am I right that line 37 on this list is not her data?
http://www.ianlogan.co.uk/sequences_..._sequences.htm
Reply With Quote
  #3  
Old 13th June 2018, 03:08 PM
Svein Davidsen Svein Davidsen is offline
FTDNA Customer
 
Join Date: Jun 2005
Location: Switzerland and France
Posts: 139
That is correct, she is not in Logan's list.

You can find her on the FTDNA's T2mtDNA Project on line #332, obviously only HVR1 and HVR2 results.
Reply With Quote
  #4  
Old 13th June 2018, 10:48 PM
chr chr is offline
FTDNA Customer
 
Join Date: Nov 2017
Posts: 28
One simple explanation would be that the matches with GD=2 share one of the mentioned three mutations with your wife, but not the other two.

A more complicated explanation: GD=2 could also mean they share two of the three mutations, but the match has an additional mutation in another ("fourth") position.

A214G could well be an undetected heteroplasmy A214R, as half of the mutations in 214 in the T1 project (seen as guest) were detected heteroplasmies - that's a lot.
Reply With Quote
  #5  
Old 14th June 2018, 12:41 PM
Svein Davidsen Svein Davidsen is offline
FTDNA Customer
 
Join Date: Jun 2005
Location: Switzerland and France
Posts: 139
Quote:
Originally Posted by chr View Post
One simple explanation would be that the matches with GD=2 share one of the mentioned three mutations with your wife, but not the other two.
This is also the conclusion I have reached. Without access to the Coding Region results it is however difficult to say.

I'll have to try contacting some of the matches to see if they are willing to share the CR results.
Reply With Quote
Reply

Bookmarks


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
mtDNA for female 1st cousin & mtDNA for uncle richjh mtDNA - Genealogy Basics 0 25th February 2017 11:32 AM
Current mtDNA Sale - upgrade from mtDNA Plus gets no discount romelson Announcements and New Features 2 28th August 2015 09:18 AM
How close is close? -male mtDNA matched to my (female) mtDNA results Connie mtDNA - Advanced Topics 11 29th June 2006 10:38 PM


All times are GMT -5. The time now is 04:15 AM.


Family Tree DNA - World Headquarters

1445 North Loop West, Suite 820
Houston, Texas 77008, USA

Phone: (713) 868-1438 | Fax: (832) 201-7147
Copyright 2001-2010 Genealogy by Genetics, Ltd.
Powered by vBulletin® Version 3.8.4
Copyright ©2000 - 2018, Jelsoft Enterprises Ltd.