R Z255 and Subclades

R1b-Z255 Subclades Project: Z255+ L159.2+
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About us

Z255 and its downstream subclades are SNPs within R1b-L21, and are associated with a DNA signature commonly known as the Irish Sea Haplotype. This unique haplotype is found in Northwestern Europe, mainly around the Irish Sea coasts of Great Britain and Ireland, but can also be found in France, the Netherlands, Norway, and Sweden. Any male who is in Haplogroup R1b and is either Z255+ or L159.2+ (check the bottom of the Haplotree page) is invited to join. Furthermore, the Y-DNA values below are strongly associated with Z255:
- DYS389i and DYS389ii: 14 and 30 - CDYa: 38 or higher value - CDYb: 39 or higher value - DYS437: 15 - DYS449: 30 - DYS442: 11 (or 12 for Z255) - DYS446: 14
Check your DYS Markers on your myFTDNA page. If your values match on these markers above, you should test for Z255. This project is part of the R1b project system and maintains subgroups of people by each branch of the haplotree, aligned in sequence with it. This lets you see ancient clade mates as well as relevant matches. We can provide testing guidance, help identify your subclade and will get you to the proper subclade project if this is not the right one. This is a public project so the project reports are viewable. We don't publish your full name or contact info and do respect your privacy. If do not wish to share results or for us to join you to the correct subclade project please do not join this project. For full haplotree click here. Z255Tree Key Steps to Take and Project Operations are on the About/Background page. The Project Goals are to encourage deeper DNA testing to support understanding of the origins of our male lineages, while helping individuals find family paternal lineages and ancestral origins. The project supports full genetic genealogy - the development of the phylogenetic tree starting from family genealogies and breaking through genealogical brick walls to determine the timing and locations of the relationship of families, super-families and clans. For help and discussion go to the Activity Feed or consider the R1b.YDNA FB group (click here).