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

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

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

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

???:?????

“??????”_????

?? 3????“??”???????? 17??

????:1???????:??????

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????

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

???:?????