Haplogroup H21 is a very small European group. The details of the sequences are: 1. Roostalu A2.JS AM263178(Abkhazia) Changes from CRS of: A263G A750G A1438G A4769G A8860G A15326G and allowing for various insertions at 309. and 315. The Mutation lists are: 1. Roostalu A2.JS AM263178(Abkhazia) C186T T310C C3822T G8994A C16192T