?????“??”????????????????:??

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

??????????7????????????????????23????????????? (????? ??????????)??,??????????????????“????????????????????????”?????????????????23????????????,?????????????XYY??????,?????????????????

?????,???????????????????,?,???????????????????????????“XYY???????????????????”,?????22??????????????Y??????,?????????Y???????????,?????,??????????Y????????????,????1/500??1/1000?

????????????????,????????,????????????,?????????????????,???????????:???,???190???????,????????,??,???????,????????

???????,???????????????????????XYY??,????????????,??????????????,???,?????,??????;???????,????XYY????,?????????????????????????????

????????????????,????XYY?????????,??????????“?????????????????”???????20??????????????????XYY?????????????????

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

???,?????????????,?????????????????,????????12000???????????????????????????,???9????XYY??????????????????9??????????????

???????“?”???????????????,12????????????????????DNA?????,?????????????????

??????????,???????????????????XYY??????????,?????,????????,??,???????????????????,????????????????

??????XYY???????????,???????????????????????,??????,???????????,???????,????????,????

????????????????,??????????????,??,???????????:????????:??????????,?????:????(=35?????)?????;??????:????????????????,???????????????????:?????????????????????????????????????(???????????????????????) ??????:??????????????