???????????????9???13?????? (????)??????????13??????????????,??15????73????????

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

????????,???????????,?,??????;?????????????,?????????;?????????,?????????????,??????????25????,???????7.7???????????,???

????????,???,??,??,??????????,????????????,?????????15??????73?????;????????,?????????

?????????????????????,??????????????,?????????12???????????????18?,?????????????????

?????????????????????????,????????,???????DNA??????????????,??????,?????,????,??6000????

“?????????????????,???????,????????????«?????????????»,???????????,??????”??????????(?????????????????????) ?????????????????:???????????? ??“???????????”

?? ??????73?????????????

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

2??????

3????????

4???????

5?????qq?

???????????????9???13?????? (????)??????????13??????????????,??15????73????????

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

????????,???????????,?,??????;?????????????,?????????;?????????,?????????????,??????????25????,???????7.7???????????,???

????????,???,??,??,??????????,????????????,?????????15??????73?????;????????,?????????

?????????????????????,??????????????,?????????12???????????????18?,?????????????????

?????????????????????????,????????,???????DNA??????????????,??????,?????,????,??6000????

“?????????????????,???????,????????????«?????????????»,???????????,??????”??????????(?????????????????????) ?????????????????:????????????