** IMPORTANT INFORMATION ABOUT THE NEW R1b-M343 BACKBONE SNP PACK**
If you already qualify for membership of this project (see the Goals page) you do not need to order the R1b-M343 Backbone test as it will not
test any SNPs below Z198 other than Z262 and SRY2627. Please contact the Project Administrators if you are unsure which tests to order.
For "work-in-progress" tree diagrams for R-Z198 please see the following links:
The Big Tree (Alex Williamson) www.ytree.net/DisplayTree.php?blockID=187
(with DYS490 overlay) www.ytree.net/DisplayTree.php?blockID=187&labels=1&star=&STR=DYS490
(Updated July 2015)
(also known as M167) was one of the first Single Nucleotide Polymorphisms (SNPs) discovered in the human Y chromosome, back in 1997.
It is now known to denote a subgroup of haplogroup R1b1 - the most common haplogroup in Western Europe. The subgroup was formerly known as R1b1c6. See http://www.isogg.org/tree/ISOGG_HapgrpR.html for its current designation on the ISOGG tree. It is not a large subgroup of R1b, but it is found particularly in places where R1b1 is very common - Iberia (especially the north and west i.e. the Basque Country and Catalunya), south western France and up the Atlantic coast to England, Wales, Ireland and Scotland.
Academic research papers and other published information about R-SRY2627 are being referenced on a Wikipedia page here:
The Genographic "Geno 2.0" test has validated a number of SNPs which define subgroups of R-SRY2627.
The most significant subgroups are:
FTDNA customers who are R-SRY2627 are advised to contact the Project Administrators if they are unsure which tests to take to place them in the correct subgroup.
Other SNPs being investigated:
is a mutation discovered in FTDNA's own research lab.
The 2011 FTDNA and ISOGG haplogroup trees recognised L176.2 as being "upstream" of SRY2627 (i.e. the SRY2627 mutation occurred in an individual whose paternal line already had the L176.2 mutation).
Very little is known about its geographical distribution and anyone who has a L176.2+ result (whether also SRY2627+ or not) is encouraged to join this Project to help investigate its origins, history and relevance to genetic genealogy.
is a mutation discovered in 2011/2 by a group of "citizen scientists" investigating data published by the 1000 Genomes Project. Along with several other SNPs discovered in R-SRY2627 samples, it has been included in the chip for the Geno 2.0 Project. It appears to be upstream of SRY2627 and equivalent to L176.2. Anyone with Z198+ amongst their Geno 2.0 results is very welcome to join this Project.
(aka S68) is downstream of L176.2 and Z198, and is parallel to SRY2627. It has been found mainly in lines of Scottish and Scandinavian ancestry. We are investigating the connection between this "northern" group with the "southern" SRY2627+ branches.
L165 also has its own FTDNA Project. FTDNA/Geno 2.0 customers with L165+ are welcome to join both projects.
is downstream of L176.2 and Z198, parallel to SRY2627 and L165. It was included in the Geno 2.0 test and is being investigated. FTDNA have included it in their 2014 tree - anyone who is R-CTS4188 is eligible to join this Project.
(aka M7953) is downstream of L176.2 and Z198, and upstream of SRY2627 (it has also occurred independently in haplogroup J).
To date 4 subgroups have been found:
R-Z262 - comprises all of R-SRY2627 and a small number of lines which are Z262+ SRY2627-
R-A477 - discovered via the Big Y test
R-CTS9993 - seen in an anonymous research sample and to date 2 project members who have tested Big Y
R-M3920 - found in 2 project members who are also positive for L147 (a highly recurrent SNP)