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Y-DNA Haplogroups & SNPs Basics This forum is for those new to personal ancestry testing on the direct paternal line with Y-DNA SNP tests. All may view this forum, but you must register and sign in to post.

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  #1  
Old 7th July 2017, 11:51 PM
Jane Bonny Jane Bonny is offline
FTDNA Customer
 
Join Date: Jan 2016
Posts: 6
SNPs shown in Blue But Not Selectable

Since my husband, so far, matches only our son and a cousin who is a descendant of the one brother of four but not the others brothers' sons, I decided to delve a little deeper to try to get a notion of the kind of person I might be looking for as the progenitor of this line. I did the Y-111 and tested several SNPs so that now his haplogroup shows as R-Z21280. The haplogroup tree shos that there is at least one more SNP test available with some sub-groups below that. Namely, Z39867. I see, however, no way to select that SNP. Any suggestions?

Jane
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  #2  
Old 8th July 2017, 06:34 AM
Jim Barrett Jim Barrett is offline
R-BY39877
 
Join Date: Apr 2003
Location: Timpson, TX
Posts: 2,260
Click on the "Upgrade" button at the top right. Scroll down and click on the "Buy Now" button in the "Advanced Tests" section. In the "Test Type" box select SNP from the drop down menu. Entre the name of the desired SNP in the marker box and click on the "Find" button. Click on the "Add" link.
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  #3  
Old 8th July 2017, 09:42 AM
Jane Bonny Jane Bonny is offline
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Join Date: Jan 2016
Posts: 6
SNPs shown in Blue But Not Selectable

Thanks for the tip. I just tried it. The Search does not find it so I started with just Z*, then Z3* then Z39* then Z398*. The closest test available is Z39862. Maybe that's why there is no choice to Buy Now on the haplogroup tree. Could one or the other be a typo?
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  #4  
Old 8th July 2017, 03:44 PM
MMaddi MMaddi is offline
yDNA: R-CTS2509; mtDNA: T2e
 
Join Date: Jul 2005
Location: Houston, TX
Posts: 3,391
Quote:
Originally Posted by Jane Bonny View Post
Thanks for the tip. I just tried it. The Search does not find it so I started with just Z*, then Z3* then Z39* then Z398*. The closest test available is Z39862. Maybe that's why there is no choice to Buy Now on the haplogroup tree. Could one or the other be a typo?
SNPs shown in blue are the SNPs that are part of the appropriate SNP pack for your husband's branch. SNP packs can test up to about 160 SNPs that are relevant to a particular branch.

Since Z39867 doesn't show up when you do a search for it as a single SNP order, it seems that FTDNA hasn't added that to its individual SNP order menu. A single SNP costs $39, while the typical SNP pack costs $119.

If you're looking to get the best testing coverage for a branch, then 160 or so SNPs for $119 is a much better deal than 1 SNP for $39. However, you already know that your husband's current tested subclade is R-Z21280, so you don't need to test all 160 SNPs in that SNP pack, just those few downstream from Z21280.

I have a couple of questions. Looking at FTDNA's tree, Z21280 is 6 subclades downstream from DF19. It seems to be the result of either some fairly deep testing or perhaps you looked at a close match and chose to test Z21280 because the match had that test result.

What test did you order that showed your husband is Z21280? Was it the Big Y test? Has your husband joined the DF19 Project at https://www.familytreedna.com/groups/r-df19/about? If not, he should do so. The administrators of that project could explain to you why you can't order Z39867 as a single SNP. They would also have access to your husband's results and see what test established that he's Z21280+, which would allow them to advise you and your husband on further testing.

Last edited by MMaddi; 8th July 2017 at 03:46 PM.
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  #5  
Old 10th July 2017, 01:22 PM
Jane Bonny Jane Bonny is offline
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Join Date: Jan 2016
Posts: 6
Thank You

I do, in fact, belong to the DF-19 group;all their talk these days is about the permutations of a new SNP backbone test. When I asked the same question of them, the only response I got was to do Big Y. Thank you for the nice response.
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  #6  
Old 10th July 2017, 01:26 PM
Jane Bonny Jane Bonny is offline
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Join Date: Jan 2016
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I forgot to mention that I had done 2 separate FTDNA-suggested multi-SNP tests to get to where I am now.
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  #7  
Old 10th July 2017, 02:10 PM
MMaddi MMaddi is offline
yDNA: R-CTS2509; mtDNA: T2e
 
Join Date: Jul 2005
Location: Houston, TX
Posts: 3,391
Quote:
Originally Posted by Jane Bonny View Post
I do, in fact, belong to the DF-19 group;all their talk these days is about the permutations of a new SNP backbone test. When I asked the same question of them, the only response I got was to do Big Y. Thank you for the nice response.
They're right. At this point, the only additional SNP test that will be informative is Big Y. You've maxed out on what a SNP pack can tell you.
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