Y-DNA Haplotree: Haplogroup I
Every named branch of haplogroup I, with the line above it, the branches below and where its testers are found.
Browse haplogroup I of the Y-chromosome tree, Europe's own paternal macro-lineage, descended from its Ice Age hunter-gatherers: I-M253 (I1) dominating Scandinavia and I-P37 (I2a) the western Balkans. Every named sub-branch with its defining SNPs, tester counts and countries. Free, no account needed.