送交者: HunHunSheng 于 2005-3-18, 13:46:01:

回答: I thought I shouldn’t answer until real experts jump in. 由 AI 于 2005-3-18, 13:42:18:

A criminal left a DNA sample at teh crime scene but
next day, his had some gene mutation so his current
DNA will not match old DNA

• yes and no - AI (261 bytes) 2005-3-18, 14:02:16

加跟贴