 Evens, Evenks in the basin of the Nyukzha River, and Yukaghirs also share mtDNA haplogroup Z1a with notable frequency, but this haplogroup is rare among Evenks in many other areas as well as among Yakut and Dolgans.The mitochondrial gene pool of the Udege appears to differ starkly from that of the Ewenic people.According to the same study by Duggan "et al."