不難。人妖的染色體XY,女人的染色體XX.

來源: ROCChinese 於 2014-10-07 11:55:46 [舊帖] [給我悄悄話] 本文已被閱讀：次

^_^

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