+**Haplogroup A** represents the oldest known [Y-DNA](/wiki/y-dna) lineage, tracing back to the earliest common paternal ancestor of all humanity. Its origins lie deep within [Africa](/wiki/africa), marking a fundamental root on the human genetic tree.
+## See also
+- [Haplogroup](/wiki/haplogroup)
+- [Human Evolution](/wiki/human_evolution)
+- [Human Migration](/wiki/human_migration)
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