 Subclade G2a4 has been observed in China, Taiwan, and in a Ukrainian from the Lviv region of western Ukraine.Subclade G2a5 has been observed in Japan and among Buryats and various Turkic peoples (Kyrgyz, Kazakh, Karakalpak, Telengit, Tubalar, Yakut).Subclade G1 is almost completely responsible for the high frequency of haplogroup G in populations located around the Sea of Okhotsk (Itelmen, Koryak, Negidal, Ulch, Ainu, Chukchi, Nivkh, "etc.