Jan 26, 2026
R1b1a2a1a1a4
is a deep Y‑chromosome subclade nested within the broadly European R1b family, tied to the R‑M343/R‑M269 lineage that dominates , but precise published characterization of the specific branch “R1b1a2a...
Beaker expansions
The Beaker expansions reshaped Europe in the late Neolithic/Bronze Age