4000?????

???4000?????EurekAlert!

???AAAS????EurekAlert!17???????о???4000??DNA?????????

????????1907????????????1800??λ?????????Khnum-aa???

?????????1908??????λ???????????ó???????м??

?2015?????DNA??в?DNA嵥M1a1?????Y??????в???

?о???????????????DNA?????λ?????е

?????????????????о????????????????DNA????????????