真是无知，你们听了太多中文垃圾。走过白令海峡的，不是“中国人”，而是早在夏商到达中国之前西伯利亚人群

https://en.wikipedia.org/wiki/Genetic_history_of_the_Indigenous_peoples_of_the_Americas#:~:text=According%20to%20an%20autosomal%20genetic,%2C%20called%20'First%20Americans'.