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

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

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

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

?:???

??“??300???????”

?? 3??“??”???? 17????????

????:1???300???????:????????

2???????

3???????

4??????????

5???????????

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

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

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

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

?:???