同性恋交友研究 不存在同性恋基因

 zhangqiyilai，zairichangshenghuozhong，tongxinglianjiaoyoushigefeichanghanxudehuatitaolun，danzaixuejie， tongxinglianjiaoyou changchangbeizuowei1gefeichangyoushiyongjiazhidekexueyanjiulingyiban。

 jiuzaijintian(8yue30ri)，zheixiangfabiaozaiguojixingdingkan《science》shangdekexueyanjiufajue，zaishentizhongbingzhaobudao“tongxinglianjiyin”，yincimeifadanchunxingdiyijuyichuanjiyinlaihelifenbianzijishibushiweitongxinglian!

 zheipianbiyelunwendetixingwei《large-scale gwas reveals insights into the genetic architecture of same-sex sexual behavior》(zhongwenmingzi《genjuguimoxingdequanjiyinzuguanlianfenxilaibiaomingtongxingxingxingweidejiyinyichuangouzao》)，canjialecixiangkexueyanjiugongzuozhongdechuangzuozhebaohanlaiyuanyuyingguo、meiguo、jianada、deguo、xibanyadedaliangshengwuxuejia。

 kexueyanjiugongzuorenyuangenjuduigaoda47 shuwanrendeyichuanxinxikaizhanquanjiyinzuguanlianfenxi(gwas)houfajue，shentizhongzhineng 8%～25% deyichuanjiyinnengbiaoshutongxingxingxingwei，erxianjieduanmeifayijuyichuanjiyinfenbianzijidexingquxiang。

 yijudiaoyanfajue，zairenmenshehuifazhanhenannvxingshenghuozhong，yueyou2%zhi10%derenyaoyutongxinghuobanfashengguanxi。zaitingdashuipingshang，yixinglianhetongxingliandefenzishengwuxueyaosushibumingde，danzixiguanchahoufajue，tongxingxingxingweidezhuangkuanghaoxiangzaixiangtongdajiazuzhongfengmi，erqiezaijiyinyichuanshangyeshileisidejieguo，shuangbaotaibaobaodetongxingxingxingweibibiedexiongmeigengjiaxiangtong。

 yijuzuoyouzhuangkuang，chuangzuozhemingquetichulexialiehaoduogekexueyanjiunantibingkaizhanjieshi：zuixian，tongxingxingxingweihuotongxinglianshejishenmeshentiyichuanjiyin，tamenhuiweihainaxieweishengwuquanguocheng?

 yiqianmouxieyuxingquxiangyouguandeyichuanbianyidekexueyanjiushigenjuxiangduixingjiaoxiaodeyangban，bingbufuquanjiyinzudeguifan。yeyouzheizhongjiashejuedecijisuyutongxinglianxiangguan，danmeiyoulijidejiyinyichuanhuofenzishengwuxuezhijiezhengju。

 cizhi，tongxinglianshibushinenggoujiyinyichuan?yibianjianbieyutongxingxingxingweiyouguandeyichuanbianyizhuangkuang，congertanxunqijiyinyichuangouzaoheqianzaixingfenzishengwuxuejibenyuanli，kexueyanjiugongzuorenyuanduitongxingxingxingweikaizhanlequanjiyinzuguanxikexueyanjiu(gwas)。

 kexueyanjiutongjishujulaiyuanyumeiguodeweishengwujinrongjigoushujukuchaxun(408995ren)heyingguode23and meshujukuchaxun(68527ren)。kexueyanjiugongzuorenyuanjiangzuishaochanshengguoyihuitongxingxingxingweidequntichengzhiwei“feiyixinglianzhe”，biedechengzhiwei“yixinglianzhe”。

 jichutubtushi，zaimeiguoweishengwujinrongjigouyangbanzhong，4.1%denanshihe2.8%denvshibeipingdingwei“feiyixinglianzhe”，lingyige，jichutuatushi，nianqingrenzhongtongxingxingxingweidefabinglvjiaogao。yinweikexueyanjiudejuxian，gaikexueyanjiuzhongzhitantaoshenglixuexingbie，bingbushitantaokuaxingbie、shuangxingbiedengrenqun。

 yibianmingqueyutongxingxingxingweiyouguandeyichuanbianyi，kexueyanjiugongzuorenyuanguanjianshiduiyichuanjiyinzhongdedanhegansuanduotaixing(snp)kaizhankexueyanjiu，kexueyanjiuquntishimeiguoweishengwujinrongjigoushujukuchaxunde408995ren。

 jieguorutusuoshi，zaijiyinzuyanjiuzhong， gongcunyou5 geyutongxingxingxingweimingxianyouguandeyichuanjiyindingweidian，zaiqizhong 2 geyusuoyouquntidetongxingxingxingweiyouguan(tuweixianhongselengxing)，2 gejinyunanshitongxingxingxingweiyouguan(tuweicuilvsexiasanbianxing)，zuizhong1 gejinyunvshitongxingxingxingweiyouguan(tuweishenlanseshangsanbianxing)。

 shubuzhi，danduweidianzhenduitongxingxingxingweideweihaijibenshangnenggouhulve。biru，zaimeiguoweishengwujinrongjigoushujukuchaxunzhong，zairs34730029weidianshangshigtjiyinxingnanshidetongxingxingxingweidefabinglvwei4%，erttjiyinxingdenanshiwei3.6%，zhishigaoyu0.4%。

 yinci，zhei 5 gedingweidianbunengbiaoshutongxingxingxingwei，yiner，chuangzuozhejuedezhaobudaoshuobailedetongxinglianjiyin!tongxinglianshibushinengjiyinyichuan

 kexueyanjiugongzuorenyuanyingyongjiyinyichuanzhishupingdingletongxingxingxingweishibushiyijiyinyichuandefangfazaidajiazuzhongkaizhankuosan。zaiqizhong，jiyinyichuanzhishuyuegao，zeguanlianxingyuegao，jiarujiyinyichuanzhishuwei 1，jiubiaomingtongxinglianshi100% zaiyujiyinyichuan。

 zaimeiguoweishengwubiduiku，cunyoubiaoqinhuoxueqindeqinyuanguanliandegerenxianyou106979dui，genjuchuangjiangerenjianguanlianxingdexiangpipeiguanlianhexingshenghuodexiangsidushitimoxing，zuizhong，chuangzuozhesuanchurenmentongxingxingxingweidejiyinyichuanzhishuwei 0.63。chuangzuozhejuede，zheiyibiaozhibiyiqiankexueyanjiusuanchudeyijuyaoxiaoxuduo。

zuoweibizhao，zheixiangfabuzai《daziran》shangdekexueyanjiushuomingzhishang(iq)dejiyinyichuanzhishuwei 0.62。