Part 536r – Smith Robertson Genealogy – Robertson Deep Clade Tests Results Returned – R1b1a2a1a1a*

25 June 2011

Good Afternoon,

The next set of the Robertson Y-DNA Deep Clade Tests results have been returned. Following up with Part 482r our Robertson Y-DNA, (thank you GR), Haplogroup was predicted at R1b1a2. At that point the Robertson shorthand classification was M-269 marker.

As of today a portion of the Deep Clade Testing has been completed testing for the U-106 marker which has tested and confirmed positive. What this means is that the eight subclades or branches above the U-106 are presumed positive. Those eight branches are: L23; L150; L51; L11; L151; L52; P310; and P311. The P312 test is confirmed negative. This means that the new confirmed Robertson Haplogroup is R1b1a2a1a1a*.

I have included an attempted cut and pasted image of the Family Tree DNA Y-Haplogroup for our Robertson Line.



Now we have to wait for some more Deep Clade Test results, actually 8 of 9 more. One, L48 has returned as negative, which means that, based on the results our Robertson Haplogroup Subclade is not included in the R1b1a2a1a1a4* series. The other eight will determine, whether they are positive or negative which will indicate what a deeper Robertson branch may be.

Here is the Color Key as provided by Family Tree DNA.

The following are a couple of terms with Family Tree DNA definitions that may help.

Deep Clade – A Y-DNA Deepclade test is a test for single nucleotide polymorphisms (SNPs) that determine a male's place (branch) on the ancestral tree for all mankind. Deepclade testing offers in-depth information about the ancient ancestry and historic migrations of your direct paternal line.

Haplogroup – Y-chromosome DNA (Y-DNA) haplogroups are the major branches on the human paternal family tree. Each haplogroup has many sub-branches.

Subclade – A sub-branch of a haplogroup.

Haplogroups and their subclades (branches) mark human migrations.

Marker – Also SNP or single nucleotide polymorphism. Some Y-DNA sub-branch markers, SNPs, are restricted to a single family that is related in genealogical times (1 to 15 generations).

We now sit and wait for the additional results of the eight remaining Deepclade tests.

Enjoy,

Jim

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