STR-Based Trees for R1a-Y2619 Ashkenazi Levites

This website posts a substantial number of STR-based trees for R1a-Y2619 Ashkenazi Levites, which were generated at various times using different software. Because STRs mutate far more frequently than SNPs and therefore mutate independently in different lines, STR-based trees are less reliable than SNP-based trees over short periods of times. Nevertheless, these SNP-based trees can provide insight not only with regard to the branching among R1a-Y2619 Ashkenazi Levites who have not done Big Y testing but, sometimes, with regard to branching within clusters comprised of R1a-Y2619 Ashkenazi Levites who have done Big Y testing.

First, the website posts, as .txt files downloadable at the bottom of this page which are best viewed using Notepad, Fitch, Kitsch, and Neighbor phylogenetic trees for R1a-Y2619 Ashkenazi Levites who have tested to at least 37, 67, and 111 markers, generated using the PHYLIP software suite and data generated using Y Utility (an excerpt from one of these trees is posted on the right side of this page). Further information concerning these phylogenetic trees is posted on the Using Phylogenetic Trees page of this website. (The website also posts phylogenetic trees for R1a-Y2619 Ashkenazi Levites who had tested to 111 markers as of December 2013, based upon their marker values at 37 markers, 67 markers, and 111 markers, prepared by William E. Howard III as facilitated by Sidney Sachs.)

Second, the website posts a page with Anatole Klyosov's haplotype trees for R1a-Y2619 Ashkenazi Levites generated using the sets of 111-marker and 67-marker STRs for R1a-Y2619 Ashkenazi Levites collected at this site as of August 30, 2014.

Third, the website posts as .png and .html files downloadable at the bottom of this page, trees (in graphic and text format) generated using Dave Vance's software entitled The Life of Trees (or Still Another Phylogeny Program) ("SAPP") for R1a-Y2619 Ashkenazi Levites who have tested to 67 and 111 markers; one set of trees is generated based upon STR marker values alone, while the second set of trees is generated based upon STR marker values along with terminal SNPs for the men who have done Big Y testing.

Fourth, the website posts a page with star trees for R1a-Y2619 Ashkenazi Levites, generated using phylogenetic network software from Fluxus Technology Ltd.

Periodically, and as warranted by the receipt of new or updated test results, new versions of some of these trees will be posted on the website. Because of the large number of R1a-Y2619 Ashkenazi Levites who have done STR testing, PCs do not have the computing capacity to generate some of these trees posted below; for this reason, some of the trees posted on this page have not been updated since 2016.

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