??????????“?????????”:??

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

????????????????12??????????22??? ?????:?“?????”:?

?????????? ????????

“????,????????,???????????,?????????????”?????“90?????????????????”??????????????????????“????????????????”???????????????“??”???????????????????????????????

“??????”“????”……???????????“??”??,?????????“?”?2000?????????????????,????,?????,?“??”?

12??????????16?,???????????????????????“???????????????”???????????“???????????????”?? ? ?

????,?,????????????????,????????“????????????”?

“????????????????????????????,??????,??,????”??????????,??

12??????????16???,????????????????????? ?????????????? ????

?????????????,?????????????,??????“??”????????,????????????????

“?????????,???????????????????2000??????????????????,???”???,???

?????????????,???

“????‘DNA’,??,??,??????????”????????,????????,????????????????????????????????????????????????????????,????????????????????

12?16??????????,?T???????????????????? ? ?

??????,????????T???????????????????????????,??????????????????“??????????”,?????T????????????,?20????????????,?T????

“??????????????????240???,???”?????,???,???,“???”??????????????,??????????????????(???)

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