Category: Y-DNA Haplogroups

Categories: DNA

This category is managed by the DNA Project in association with the Categorization Project. For assistance with this or related categories ask in G2G making sure to tag your question with both categorization and DNA.


In human genetics, a human Y-chromosome DNA haplogroup is a haplogroup defined by differences in the non-recombining portions of DNA from the Y chromosome (called Y-DNA). It represents human genetic diversity based on single-nucleotide polymorphisms (SNPs) on the Y chromosome.

See the Y-DNA Haplogroup Tree from the International Society of Genetic Genealogy (ISOGG).

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