 Like the Udege, the Ulchi lack D4l2, the most frequently observed subclade of haplogroup D among Siberian Evenks and Evens, as well as haplogroup A. Haplogroup Z1a, which is very frequent in some samples of Evens and Evenks, has been observed only in the form of a rare basal Z1a2* in a single Ulchi individual.Small percentages of Evens and Evenks belong to haplogroup F1b, which is spread widely in Central Asia and northern East Asia, whereas a small percentage of Ulchis belongs to haplogroup F1a, this latter clade being found mainly in Southeast Asia, but also throughout China, Korea, and Japan.The Human Genome Diversity Project (HGDP) included small samples of three Tungusic populations from the PRC in its panel