GENEALOGY-DNA-L Archives

Archiver > GENEALOGY-DNA > 2010-03 > 1269668818


From:
Subject: Re: [DNA] Family Finder Test
Date: Sat, 27 Mar 2010 01:50:27 EDT


Nelda,
Are you from Virginia?
Peggy


In a message dated 3/27/2010 12:17:07 A.M. Eastern Daylight Time,
writes:


Elizabeth,
The answer is no... they are four different types of chromosomes. to test
the "Y" chromosome is different from testing the MTDNA and different again
from testing the X chromosome or the autosomals chromosomes.

REmember when the "Y" is tested for genealogy they test STRs not SNPs..
Y-SNPs are tested for population migration.. or to tell the deep clade of the
estimated haplogroup.The Y chromosome does not recombine with another Y
chromosome.. (There are not TWO Y's)

MTDNA is not a part of the 23 pairs of chromosomes, It is tested for
SNPs... but it also has no combination with any other MTDNA.

Only the "X" and the "autosomal" chromosomes can recombine because the
have others they can mix with.

Each has its own test. you are not testing the "Y" or "MTDNA" when you are
testing the X and the autosomals.


FRom what your writting it sounds more like your looking for a family
SNP.not a family segment.. The problem with this idea is that "recombination it
is random".. and may not be the same even with full brothers and sisters.
Just because you do not match in this type of testing does not mean you are
not genetically connected.

The test that family finder uses can help you identify members of Clan
McDonald if the two comparing have no other way they could be related.
Nelda
My websites : http://freepages.folklore.rootsweb.com/~bonsteinandgilpin/

---------------------------------------
> From:
> To:
> Date: Fri, 26 Mar 2010 15:57:04 -0200
> Subject: Re: [DNA] Family Finder Test
>
>
> If autosomal results reveal that there is a relationship which turns out
to be in the paternal or maternal line, could it not sort Y-DNA and MtDNA
results into smaller related groups in large projects such as Clan Donald
DNA?
> Elizabeth Bennett

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