Study shows 4,000-year battle of Eastern and Western genes in China’s heartland

A study led by Fudan University in collaboration with the Ningxia Institute of Cultural Relics and Archaeology and Northwest University reveals that Eastern and Western genes have intermingled in Ningxia, China's northwest region, over 4,000 years through wars and trade. Ningxia is described as a crossroads between the Eurasian steppe and Chinese farmlands.