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

2???????

3????????

4??????????

5???95?98?

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

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

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

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

???:?????