Y-DNA: How SNPs Are Added to the Y-DNA Haplotree
A look at how Y-DNA SNPs are evaluated for inclusion on FTDNA's Y haplotree.
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Y-DNA Big Y: A Lifetime Analysis
FamilyTreeDNA's Big Y-700 Y-DNA test records your Y chromosomal data. Learn how this sequenced test may continue to provide you with information as more testers enter the database and how your haplogroup can change over time.
Y-DNA: How To Read the Y-DNA haplotree
FamilyTreeDNA's Y-DNA haplotree is the largest in the world. Learn how to read it to see where your results fit on the Tree of Humankind.