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Author Topic: DNA Query  (Read 1356 times)

Offline MrsS2012

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DNA Query
« on: Wednesday 03 June 20 17:32 BST (UK) »
Hi all,
So one of my cousins got in touch with me yesterday, we haven't spoken for years but she recently took a DNA test through ancestry and had heard that I had also taken one and was working on the family tree so suggested we work together.
Had a chat with her earlier on the phone and we've managed to find each other's trees on the ancestry site.. however it says that we are not a DNA match.. yet our fathers are brothers?
We also went through the list of matches that we have been given and none of them match.. it seems we share no common ancestors at all?
I'm quite confused by this and am now questioning the accuracy of the DNA test.
Anyone else had this?

Offline Gadget

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Re: DNA Query
« Reply #1 on: Wednesday 03 June 20 17:38 BST (UK) »
If your fathers are brothers, you are 1st  cousins and you should share approx between 396 and 1397cMs.

How long ago did your cousin test as it sometimes takes a while for the Ancestry matching routines to run?

Gadget

Add - did your father have any other siblings?
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Offline MrsS2012

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Re: DNA Query
« Reply #2 on: Wednesday 03 June 20 17:45 BST (UK) »
Quote from: Gadget on Wednesday 03 June 20 17:38 BST (UK)
If your fathers are brothers, you are 1st  cousins and you should share approx between 396 and 1397cMs.

How long ago did your cousin test as it sometimes takes a while for the Ancestry matching routines to run.

Gadget

Add - did your father have any other siblings?
It was a while back I think. I can find out exactly.
My father had one other sister.

Offline Gadget

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Re: DNA Query
« Reply #3 on: Wednesday 03 June 20 18:02 BST (UK) »
Are either of you in contact with the sister's offspring (if any) ?

Also, is it possible for both of you to check for any possible more distant relatives that you might share DNA with?
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Offline Craclyn

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Re: DNA Query
« Reply #4 on: Wednesday 03 June 20 18:14 BST (UK) »
The first thing to check is whether both of you are getting other matches that tie in with the set of grandparents you think you share. If one of you is, but the other is not, then this might suggest that there is a discrepancy between the documented family and the biological family.
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Offline MrsS2012

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Re: DNA Query
« Reply #5 on: Wednesday 03 June 20 18:27 BST (UK) »
She did the test in January.
She's just linked her DNA to her tree she's told me. Mine was already linked.
Will check again tomorrow.
My aunt has two daughters but neither of them have taken a test.

Offline Gadget

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Re: DNA Query
« Reply #6 on: Wednesday 03 June 20 18:39 BST (UK) »
When you look at your DNA matches listing, can you identify any matches who are on your father's side?

Add  it might be an idea if you could both upload you DNA files to a site that has a chromosome browser - e.g. My Heritage or Gedmatch.

(my line is playing up at the moment )
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Offline MrsS2012

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Re: DNA Query
« Reply #7 on: Thursday 04 June 20 09:48 BST (UK) »
I've heard of Gedmatch.. ok will look into this.

Offline Ruskie

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Re: DNA Query
« Reply #8 on: Thursday 04 June 20 09:54 BST (UK) »
If you are both new to DNA you may find My Heritage easier to use than Gedmatch, however you will both need to pay a fee to unlock the chromosome browser and other features - I think this is worth doing.

Good luck.  :)
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