3??“??”???????? 17????

????:?????:?????????

11?????????22???,??3?????????DNA???????????????,3?2007??????????????????????,17???

2007???2???14??,5?27??????,8?????18????????????,??(???,?2?)????????(?,?2??????????)??(??????????,?2?)???????3??????????30??????????,???“??????”??

?????????????,??,????????????????????,???17????3?(2??1?)???3????????

????,????,??(??? ???)

????:??????????????????????