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十大彩票——zhongguokexueyuanbanyuanfangzhen

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你到底是北方人还是南方人?研究显示——

东亚南北方人群8300年前开始融合

2019-06-02 科技日报 陆成宽
【字体:

yuyinbobao

fujianqihedongyue8400nianqiande2haogetitougu fujianpingtanguojinandaoyuzuyanjiuyuanfanxuechungongtu

  shidacaipiaoshishei?shidacaipiaocongnalilai?zheibujinshigezhexuewenti,yeshigekexuewenti。

十大彩票  jinri,《kexue》zazhizaixianfabiaoleyixiangguanyuhuaxiazuquntanyuandetupoxingyanjiuchengguo。shidacaipiaoguokexuejialiyonggudnajishukaiqileyitangxungenzhilv,lijing8nianjianxintansuo,zhubujiekaidongyayouqishizhongguoshiqianrenqunnanbeigeju、qianxikuosanjiyichuanhunhedelishimiansha。

  南北方史前人类基因组信息知之甚少

十大彩票  jinnianlai,yudongyapilindedongnanya、xiboliyadengdidegudairenleiyichuanyanhuayanjiuyiqudehenduochengguo。danqijinweizhi,shidacaipiaorengranduidongya,youqishizhongguonanbeifangdeshiqianrenleijiyinzuxiangguanxinxizhizhishenshao。

  weijiejuezheiyiwenti,zhongkeyuangujizhuidongwuyugurenleiyanjiusuodengdanweideyanjiurenyuan,gongtongkaifalegudnajishu,chenggongbuhuocexuzhongguobeifangshandong、neimenggujinanfangfujian、liangdaohesuogangdengdi11geyizhi25ge9500nianqian—4200nianqiandegetihe1ge300nianqiangetidejiyinzu。

  “zheixiejiyinzuxinxiweizaidashikongkuangjiaxiayanjiudongyagurenqun,youqishixiandairendeqianxiyuyanhualishitigonglezhongyaodeyichuanxuezhengju,zheiyeshishoucizhenduizhongguonanbeifangrenqunkaizhandeshijiankuaduzuidadexitongxinggujiyinzuyanjiu。”lunwentongxunzuozhe、zhongkeyuangujizhuidongwuyugurenleiyanjiusuoyanjiuyuanfuqiaomeishuo。

  tongguotanjiuzheixierenqundejiyinzu,yanjiurenyuanfaxian,zhishaocong9500nianqianqi,yanzhehuangheliuyuzhidaoxiboliyadongbucaoyuanderenqundouxieyouyizhongyixinshiqishidaishandonggetiweidaibiaodegubeifangrenqunchengfen;tongshi,zhishaocong8400nianqianqi,zhongguodaluyanhaijizhongguotaiwanhaixiadaoyurenqunjiuxieyouyizhongyixinshiqishidaifujianjiqipilindaoyugetiweidaibiaodegunanfangrenqunchengfen。gengzhongyaodeshi,zheiliangzhongchengfenjieranbutong。

  raner,suizheshijiandetuiyi,dongyadalunanbeifangrenqunzhijiandezheizhongchayixinghefenhuachengduzhujiansuoxiao,zhishaozai8300nianqian,nanbeirenqunrongheyuwenhuashidacaipiaodejinchengjiuyikaishi,4800nianqianronghequshiqianghua,zhijinrengzaiyanxu。

十大彩票  yanjiuhaiguanchadao,xianjindedongyarenqun,buguanshilaizibeifanghaishinanfang,doutongshihunheyougubeifangrenqunchengfenhegunanfangrenqunchengfen,dangubeifangrenqunchengfenyingxianggengweiguangfan。

  zaizhongguo,nanbeifangrenqunsuizaozai9500nianqianyifenhua,dannan、beifangtongqirenqundeyanhuajibenshilianxude,meiyoushoudaowailairenqundemingxianyingxiang,qianxihudongzhuyaofashengzaidongyaquyuneigerenqunjian。

  yucitongshi,yanjiuquerenlexianjinzhuyaoshenghuozaitaipingyangdaoyudengdidenandaoyuxirenqunqiyuanyuzhongguonanfangdefujianjiqipilindiqu,qieshoucimingquejiangshijianzhuisudao8400nianqian。“zheishidiyicitongguogujiyinzushujumingquezhongguo8000duonianqiandegunanfangxiangguanrenqunshinandaoyuxirenqundezuxianlaiyuan。”fuqiaomeiqiangdiao。

十大彩票  touguxingtaixuecengtichuyouguandongyayudongnanyazuxianrenqunde“liangcengjiashuo”,ji“diyiceng”shouliecaijirenqunhe“dierceng”nongyerenqun。gaijiashuorenwei,gunanfangrenqunshuyu“diyiceng”renqun。

  raner,fuqiaomeituanduitongguocicigudnayanjiufaxian,ciqianyinweitougutezhengbeiguiru“diyiceng”deyifujiandengrenqunweidaibiaodegunanfangrenqun,shizhishangbingmeiyoumingxianshuyu“diyiceng”renqundeyichuanxinxi,faneryuxianjindongyarenqun、nandaoyuxirenqunyouzhezhijieeryanxudeyichuanguanxi。

  新技术扩展了古DNA研究的样本范围

  jin4nianlai,fuqiaomeituanduiyizhizhuanzhuyunanfangyangbendecaijihegudnashiyan,yushidacaipiaoguonanfangduojiabowuguanjikaogujigoushenduhezuo,shenrunanfang30duogeyizhicaijile257ligudairenleiyangben。

  shishishang,shidacaipiaoguonanfangyanrechaoshideqihouhuanjing,feichangbuliyuhuashidebaocun,yinernanfangdeyangbencailiaobujinxishao,erqieweishengwudnahanlianghengao,qizhongderenleigudnahanlianghendishenzhimeiyou。“yuanbenyaocongniandaijiuyuanderenleigugeyihaizhongtiqudaoneiyuandnayishibuyi,ernanfangyangbengengshirangxiangguanshiyanheyanjiunanshangjianan。”fuqiaomeishuo。

  jinguanruci,tamenbingmeiyoufangqi,ershibuduanmosuogengyouxiaohuoqugudnayouqishihejiyinzudeshiyanfangfa。biru,tamenkaifadegudnabuhuojishu,cengjingcongyangpinchenggongbuhuohanliangjinzhan0.03%derenleihedna。jiyuzheixiefangfa,yanjiutuanduichenggonghuoqunanfang5geyizhi18gejujin8400nian—4200nianderenleijiyinzushuju,tianbuledongyananfangdaluhejiyinzukongbaiquyu。

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