This is a graphic representation of the 153 haplogroups according to the YCC classification. Haplogroup names and major clades are labeled with large capital letters (the entire cladogram is designated haplogroup Y). Mutation names are given along the branches of the trees.
The "*" symbol indicates an internal node on the tree.
For a more detailed version of the tree which includes the haplogroups' association to prior nomenclature, please see the YCC NRY Tree 2002 at the Universiy of Arizona site.