Jim,
I see that FTDNA charges $39 per SNP. I nearly ordered for L448 just now;
but if it turns up in my $99 23andMe results, it will have been money
needlessly spent.
But thanks for bringing this up. I've learned a lot by researching it.
-Michael
> Yes, R1a1a1g3a1 is a mouthful.
>
> I just grabbed this from one of FTDNA's FAQs:
>
> --quote--
> Q: I have limited DNA testing funds. What's my best strategy? Should I
> upgrade to more markers or do SNP testing? faq id: 1364
>
> A: The answer to this depends on your personal interest. If you are
> interested in your ancestry that goes beyond where traditional paper
> trails end, you should focus on SNP (single nucleotide polymorphism)
> testing. If, however, your only interest is in the most recent generations
> of your family history (1 to 15), testing additional STR (short tandem
> repeat) markers is a good investment.
> --endquote--
>
> So, at this point, our focus is trying to find out how we relate to one
> another and to get some idea at to what extended family John belonged to.
> The STRs are the right approach. The SNPs will tell us about the ancient
> migration patterns and would confirm whether we're of the Norse/Scottish
> group--which certainly appears to be the case. I think that's what the
> "need to test" means--if one really, really needs to know. SNPs are
> individually ordered through FTDNA. The 23andMe test looks only as SNPs,
> so we should know something about that in a few weeks.
>
> It sounds like L448 may have been recently discovered. Here's a
> distribution map. Looking at it, it's pretty evident why it would confirm
> the Norse/Scottish descent:
>
> http://www.semargl.me/en/dna/ydna/map-snp/35/
>
> -Michael
>
>> I've seen earlier versions of those charts before and I get the basic
>> transition from
>> M198 down to L175 but I guess I'm not clear on the parenthetical need
>> for more tests.
>> Is that something that THEY do or would I have to upgrade to those
>> tests? Or what if
>> someone from our group who already has his Y67 (;-) ) joined the
>> project?
>>
>> Pretty soon R1a1a1g3a1 is going to be harder to remember than pi.
>>
>> Jim
>>
>> On 2/16/2013 10:45 PM, Michael Cooley wrote:
>>> I just found this...
>>>
>>> http://discoveryourfamily.weebly.com/1/post/2012/02/y-dna-charts.html
>>>
>>> The Y test at 23andMe does SNPs instead of STRs-- those markers we're
>>> accustomed to seeing. The advantage of the SNPs is that they are very
>>> slow
>>> mutating, which means they're good for *deep* ancestry.
>>>
>>> The 23andMe results will be a new world for me.
>>>
>>> -Michael
>>>
>>>> Somewhat related: I just checked in on the R1a1a Project that I
>>>> joined
>>>> a few months
>>>> ago on FTDA and where I was previously lumped in with "Nordic results
>>>> ready for
>>>> classification" I am now found under "Scandinavian I Branch, Probably
>>>> L448+ (need
>>>> Y67 markers and/or L448 test)" Not really sure what all THAT means
>>>> but
>>>> about half
>>>> of the ancestors listed had origins in Norway, which fits the glove,
>>>> so
>>>> to speak.
>>>>
>>>> Jim
>>>>
>>>> On 2/14/2013 11:45 AM, Michael Cooley wrote:
>>>>> I received notification from 23andMe today that they have my sample.
>>>>>
>>>>> Here's an interesting chart from one pf FTDA's websites regarding the
>>>>> accuracy of predictions for autosomol testing:
>>>>>
>>>>> http://www.familytreedna.com/faq/answers/default.aspx?faqid=17#628
>>>>>
>>>>> Accuracy for 4th-cousin predictions drops to 50/50. (Fourth cousins
>>>>> share
>>>>> a set of great-great-great-grandparents--six generations back. FYI,
>>>>> I'm
>>>>> nine generations removed from John.)
>>>>>
>>>>> BTW, the first 12-marker results for the Abraham and Reuben Ransom
>>>>> Cooley
>>>>> testers are expected for 3/6.
>>>>>
>>>>> -Michael
>>>>>
>>>>>> I'm in - just ordered my kit on 23andme.
>>>>> --
>>>>> <a href="http://newsummer.com/distlist">distlist 0.9</a>
>>>>> See http://ancestraldata.com/listarchive/johncooleylist/ for list
>>>>> information.
>>>>>
>>>> --
>>>> <a href="http://newsummer.com/distlist">distlist 0.9</a>
>>>> See http://ancestraldata.com/listarchive/johncooleylist/ for list
>>>> information.
>>>>
>>>
>>
>> --
>> <a href="http://newsummer.com/distlist">distlist 0.9</a>
>> See http://ancestraldata.com/listarchive/johncooleylist/ for list
>> information.
>>
>
>
--
Second VP, the Cooley Family Association of America
President, the Genealogy Club of Humboldt State University
Administrator, the Eldridge Family DNA Project
Administrator, the Ashenhurst Family DNA Project (in the works)
Administrator, the alt-McDowell DNA Project
Co-Administrator, the Cooley Family DNA Project
Instructor "Genealogy and Family History," the Osher Lifelong Learning
Institute (OLLI)
Received on Sun Feb 17 2013 - 22:02:16 MST