提上来问－我们知道北京猿人Y染色体吗？要是不知道怎么知道我们和北京猿人无关？

来源: huntridge 于 2016-03-11 16:12:35 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.