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  #1  
Old 12th February 2018, 12:43 PM
DebbieH DebbieH is offline
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Join Date: Feb 2018
Posts: 16
X Match Confused

Hi guys,
I'm very new to this stuff. I got my FF matches back today. I've also taken the mtDNA test. I am an adopted female given up for adoption. I know my biological mom's name and I have a half sister and half brother. My half sister took the mtDNA test and we came up in the same Haplogroup. She didn't take the FF test.

I have no clue of my parental father other than my biological mother told me he moved from Virginia to South Carolina after I was born (1970. They have no contact and I don't talk with my maternal mother.

Where is the first place I should be looking at for my paternal DNA. I thought I understood the X match but if I have an X match on a female that is 2-4th cousin that I don't see in my maternal family tree would that mean it could be a x from my paternal grandmother? Sorry I'm so confused on this.
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  #2  
Old 12th February 2018, 01:12 PM
MoberlyDrake MoberlyDrake is offline
mtDNA: T2b5 | Y-DNA: J-M172
 
Join Date: May 2010
Posts: 1,489
Unless the segment on the X chromosome is over 7 cM, some say over 10 cM, just ignore it. I don't think FTDNA should report segments on the X chromosome that are under 7 cM. Segments under that are likely to be just in the general population.

You probably won't get much info out of mtDNA testing, other than verifying that you and your half-sister probably have the same mother. See if your half-sister will do a Family Finder test.

I also recommend you do a DNA test at Ancestry. Their complete lack of tools is disgraceful, but sometimes the size of their database alone is a great help when looking for close relatives.
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  #3  
Old 12th February 2018, 01:47 PM
Biblioteque Biblioteque is offline
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Join Date: Feb 2013
Posts: 519
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Paternal DNA

DebbieH, you are good to go!

The FF matches you got back today are your cousins from BOTH of your parents, Mother AND Father.

The X is actually Chromo 23, and has a different inheritance path, and threshold for cMs and according to gender, than Chromos 1-22.

Last edited by Biblioteque; 12th February 2018 at 01:51 PM.
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  #4  
Old 12th February 2018, 03:19 PM
DebbieH DebbieH is offline
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It's a 14.38 cM on the X match. I guess I'll just have to start emailing people.
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  #5  
Old 12th February 2018, 03:20 PM
DebbieH DebbieH is offline
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Join Date: Feb 2018
Posts: 16
Quote:
Originally Posted by MoberlyDrake View Post
Unless the segment on the X chromosome is over 7 cM, some say over 10 cM, just ignore it. I don't think FTDNA should report segments on the X chromosome that are under 7 cM. Segments under that are likely to be just in the general population.

You probably won't get much info out of mtDNA testing, other than verifying that you and your half-sister probably have the same mother. See if your half-sister will do a Family Finder test.

I also recommend you do a DNA test at Ancestry. Their complete lack of tools is disgraceful, but sometimes the size of their database alone is a great help when looking for close relatives.
Thank you. I was thinking of doing one with Ancestry for the same exact reason.
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  #6  
Old 1st March 2018, 04:54 PM
1alan1 1alan1 is offline
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Join Date: Oct 2015
Posts: 84
I had posted a lot of questions about the presents and absences of X to try and sort out who was on mother/fathers side. I was pretty much told do not trust X farther than a generation or two. Also she could match X on the fathers side, so very very confusing on top of being unreliable. So I do not use X at all.

This is flustering when a person is adopted and has one 3rd cousin and a bunch of 4th cousins.

I know this may not help much other than be a warning to watch out for where X might lead you.
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