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??

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

?:???