SUMMARY OF YSNP (May, 2016)

Defintion of FGC5660 STAR: FGC5660 STAR equates to FGC5660 positive and negative for all sons of FGC5660. For FGC5660, there are currently seven sons: FGC5628, FGC12290, DC8, DC25, DC29, DC63 and DC69. Therefore, this branch includes only submissions that are FGC5660 positive and negative for most of the sons of FGC5660. Only NGS tests can be truly FGC5660 STAR as DC63 and DC69 not always tested by the FTDNA SNP pack test or the YSEQ SNP panel test.

Classification of Branch: Probably the largest branch under L226 and is the second oldest branch of L226 (just after L226 STAR).

Known sons: FGC5628, FGC12290, DC8, DC25, DC29, DC63 and DC69 are sons of FGC5660.

Estimated Breadth of branch (speculative estimate of positive submissions): currently around twenty-seven submissions but the true scope is probably twice as large. Due to the 100 submission limit of the SAPP tool, the older age of this branch, less divergence found in this branch, massive parallel mutations under this branch and belonging to the bottleneck trunk of L226 where 30 % of all L226 private YSNPs reside, this branch will remain the most challenging to accurately and fully chart.

Scope of Testing within Signature: Four Big Y tests, seven FTDNA SNP pack tests and two YSEQ panel tests.

Dominant Surnames (including variants): Butler (17), O'Brien (2), Barholz (1), Brown (1), Bray (1), Croke (1), Deolindo (1), Dooley (1), Gratten (1) and Lanigan (1).

Date that branch was discovered: Unknown.

Source of Branch discovery: Four FTDNA Big Y tests (370197, 332050, 401029 and 314215).

Number of Negative Broad Tests: Around 45 Big Y results and around 30 more via SNP pack & SNP panel tests.

Number of Negative Tests within Signature: None known.

Pending Tests (within signature): None known.

ANALYSIS OF CURRENT FGC5660 STAR HAPLOTREE

I manually separated around 99 L226 submissions combined with 28 known YSNP results and then used the SAPP tool to generate a chart which matched my manual analysis. The SAPP tool (as did my manual analysis) clearly separated the Butler surname cluster which contains all current testing candidates for this branch. The lack of the ability to enter more data into the SAPP tool resulted ten other positive submissions yielding no additional testing candidates, The SAPP tool did recognize the progression of YSTR mutations for the Butler surname cluster but did miss several Butler submissionsh found in my manual analysis. The Butler branch has substantially relevant signature. This branch, FGC5660 STAR, has several issues preventing the complete descendant chart of FGC5660 STAR:

1) Since there were 12 YSNP tested submissions to analyze, I first looked at the signatures of these submissions and determined that only two Butler tests had a very good signature associated with these two submissions. This large signature was enough information to reveal a pretty clear evolution of YSTR mutations for the Butler surname cluster. The SAPP did not do a very good job with all the branching information due to the lack of genetic of the numerous possible submissions and lack of divergence from the L226 modal and massive convergence due to parallel mutations. The true scope of scope of FGC5660 STAR is probably at least twice as large that what manual analysis or SAPP tool can currently find.

2) The current limit of around 100 submissions limits the accuracy of the descendant chart for this particular L226 branch. As more submissions can be entered into the SAPP tool, as new branches are discovered and as more YSNPs are tested, many more submissions will be included under the FGC5660 STAR branch over time.

3) However, between my manual analysis and the SAPP tool, fifteen good testing candidates were revealed. All were very obviously belonged to one surname cluster that included seventeen Butler submissions. In this special scenario, the SAPP tool could not due good job in determing the FGC5660 STAR haplotree due the lack of genetive diversity in this branch. Increasing the limit of 100 submissions may help some but the lack of common shared mutations and the abundance of parallel mutations between submissions will remain a significant obstable in producing a complete and accurate descendant chart under FGC5660.

OTHER FUTURE YSNP TESTING

No pending tests are known.

FGC5660 STAR Haplotree

The link to the haplotree chart is the best way to look at the evolution of the FGC5660 STAR haplotree. It is visually much easier to follow than spreadsheets and is very close to a genealogist descendant tree charts that genealogists already are well trained in analyzing:

Haplotree of FGC5660 STAR

This summary will attempt to priortize testing and explain why each test is beneficial to the the verification of the FGC5660 STAR branch.

Here are the priorities for testing:

1) It is not recommended that any current submissions that are predicted positive for the L226 STAR to test FGC5660. It is obvious that all Butler submissions will test positive for FGC5660 STAR, so do not waste funds on testing FGC5660 or verifying by either a SNP pack or SNP panel.

2) For new branch discovery, it is not recommended that Butler submissions test any of the private YSNPs for the four NGS tests under FGC5660 STAR. The Butler surname cluster is an ideal candidate for a NGS test (Big Y or FGC). However, it is not recommended that a Butler submission test for Big Y since the Butler surname cluster qualifies for both reasons for testing with the higher resolution Full Genomes Corporation test: 1) The Butler cluster is part of the genetic bottleneck of FGC5660, FGC5638 and FGC5659 where there have already been four NGS test with no new branch discovered; 2) The Butler cluster is also a very large surname cluster with seventeen 67 marker submissions and really needs higher resolution to provide the maximum number of private YSNPs to create branches within the Butler cluster.

It is recommended that only one Butler submission in this cluster order the Y Elite 2.1 test from Full Genomes Corporation for $775.

3) Once the private YSNPs are returned from the FGC NGS test, it is highly recommended that the private YSNPs discovered by the Y Elite 2.1 test be tested by Butler submissions within this surname cluster in a systematic manner.