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

????????????????,???????????????????????????,??????28?,??????????“???????????????????????”???????????????

1?????????15?????????????,???????????????????????????????,?????,???????????

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

“5??,???????????,??????????????????????????,??????????????”??????,?????????????,??????????????????????,???????

????1??????????,??????“????”,??????10??,??????,??????????,???

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

??????????????????,????????????????????????DNA?????????????????,????????,???

??????????6????????????????,????????“??????”?????????????,????????????????,????,??????????“???????”???

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

“??,‘????????????’???????,????”??????,????????5????????????,???????????????????,???????????????????,??24???????,??,??????????? ????????????:??????????

??

??:???????????,??????????,??????????????