OCT 23, 2022: Advances in YDNA Testing (BigY SNP Testing): https://blog.familytreedna.com/why-big-y-700/
https://discover.familytreedna.com/y-dna/R-BY136207/story

Branches of R-BY136207
R-BY136207 > R-FT20627 > R-FT134834
Block Tree displays SNP's with oldest to the right and newest on the Left
Timeline on SNP Guide in left margin times 83 years for each SNP
NOTE: Login to your test results page for updated Block Tree assignments as they can change when new BigY SNP's are discovered.