Major Y-DNA haplogroups
- Figure 1. Main Y chromosome haplogroups, with number of SNP mutations between adjacent haplogroups. Descendants from Japheth, Shem and Ham are indicated. Drawn from the Y-DNA Haplogroup Tree 2010.
Source
- Wikipedia contributors, "Human Y-chromosome DNA haplogroup," Wikipedia, The Free Encyclopedia, http://en.wikipedia.org/w/index.php?title=Human_Y-chromosome_DNA_haplogroup (accessed June 27, 2013).
- Leif A Boström, Sweden, "Genetic Table of Nations," http://familjenbostrom.se/genealogi/dna/dna_table_of_nations.htm (accessed June 25, 2013).