+The **Male Line** defines a lineage exclusively traced through a father's ancestry, extending back through his father, and so on. This form of [Patrilineal Descent](/wiki/patrilineal_descent) is foundational in many cultures and frequently studied through [Y-DNA](/wiki/y-dna) analysis.
+## See also
+- [Genealogy](/wiki/genealogy)
+- [Family Tree](/wiki/family_tree)
+- [Inheritance](/wiki/inheritance)
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