真是無知，你們聽了太多中文垃圾。走過白令海峽的，不是“中國人”，而是早在夏商到達中國之前西伯利亞人群

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'.