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Questioning DNA results

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ProfilePosted byOptionsPost Date

mgnv

mgnv Report 27 Jan 2020 00:05

FYI

One of my former co-workers swiched jobs and went to work for the BC Transplant Society.
He btought to my attention a medical ethics paper he'd come across.

The researcher was looking at kidney transplants.
As one would expect, close relatives usually give the best matches, and a number of fathers offered one of their kidneys to their child.
The researcher noticed that in several cases the father and his child were biologically unrelated, unkown to the father.
She contacted transplant centres in Europe & N America, and they all reported this problem at rates of 1% - 5%
The ethical problem was who, if anybody, should be told.

I was told this over 10 y back, and I no longer remember the ref although I did read the paper.

nameslessone

nameslessone Report 27 Jan 2020 08:40

You don,t need to put a tree on Ancestry to do a dna test with them.

I loaded my Ancestry dna results onto M H when it was free to do so. Same data different ethnicity results.

I know of a Scot, who, according to MH has No Scottish heritage!

grannyfranny

grannyfranny Report 27 Jan 2020 10:54

MY OH has no Scottish dna, despite his mother being descended from 2 Scottish families. He has more Nigerian dna............

My dna is on 3 different sites (not Ancestry), and the closest matches come up on all 3. Plus a lot of the other matches appear too.

KathleenBell

KathleenBell Report 27 Jan 2020 14:24

As mgnv has already said no one but the mother can be certain of who the father of a child is (and sometimes not even the mother!) so it's perfectly possible to have DNA from somewhere you are not expecting - even if you have researched the family back 200 years. You can't be sure that the informationon on a birth certificate is correct.

There isn't a lot of point in doing a DNA test if you are not prepared to accept the results.

Kath. x

nameslessone

nameslessone Report 27 Jan 2020 15:03

Parentage is only one issue with results.

Ancestry has me at:
83% Eng, Wales & NW Europe and 12% Irish/Scot.& 2% Norway

MH, using the same data has me as:
74.3% North & west Europe (which covers the same areas as Ancestry)

With a new test Living Dna have me as 87.4% GB & Ireland

nameslessone

nameslessone Report 4 Feb 2020 13:39

I've just had an update from Living dna and they have got rid of all them furriners.

There has been a big change around of the regional results.
Some are very odd. Now I'm more Welsh than Cornish but I do know the Cornish bit (6 x gr grandfather).
They also seem to have moved a chunk from the SE to East Anglia - I think this depends where their borders are - off to find a map of the uk the same size!

:-S :-S

seajay

seajay Report 25 Feb 2020 18:22

I purchased a DNA kit through Genes and have received my results. My family name is Welsh, yet no trace in the DNA. Strange ?