同性恋基因真的存在么

 tongxinglianyouchengtongxingai，shixingquxiangzhiyi，guanyuxingquxiangdechanshengyouhenduozhonglilun，henduoxuezherenweixingquxiangshixiantianjuedingde，neimetongxinglianjiyinzhendecunzaime?jintianhuazhenxiaobianyunitantaotongxinglianzhedejiyinwenti。

一、同性恋基因真的存在么?

 zhongguoshehuikexueyuanshehuixuesuoyanjiuyuan、jiaoshou、boshishengdaoshi，zhongguodiyiweiyanjiuxingdenvshehuixuejia，ziyouzhuyinvxingzhuyizhecengchubanshuji《tongxinglianyawenhua》，shujizhuyaojiangshuletongxinglianzheizhongzhongdutedewenhuaxianxiang，tongxinglianzuoweiyizhongyawenhua(subculture)，youtadutedeyouliyuzhuliuwenhuadetezheng;tongxinglianzhezuoweiyigeyawenhuaqunti，juyoudutedexingweiguifanhefangshi。

 tongxinglian，youchengtongxingai，shixingquxiangzhiyi，shizhizhiduitongxingchanshengaiqinghexingyuderen，juyouzheizhongxingquxiangdegetibeichengzhiweitongxinglianzhe。guanyuxingquxiangdechanshengyouhenduozhonglilun，dangjinjuedaduoshukexuejia、xintaixuejia、yixuezhuanjiarenweixingquxiangshixiantianjuedingde，meiguoxintaixuexiehui(american psychological association，apa)fabiaodeyipiankexuewenxianbiaoming：zhangqideshiyanjiluzhengming，tongxinglianshiwufabei“jiaozheng”de，xingquxiangwufagaibian。

 xuduoyanjiurenyuanzaoyidechulejiaoweiyizhidekanfa：tongxinglianyoushenhoudeshengwuyixuejichu，tongxinglianzhedexingquxiangshiyoutongxinglianjiyinjuedingde，wufatongguohoutiangaibian，bushiyizhongxuanze，yebushizijikeyikongzhide。neimetongxinglianzhedejiyinyichuanshuofazhendecunzaima?

 shangshiji90niandaimeiguoyichuanxuejiadien·hamoshoucitichubingyinqiquanqiuguanzhude“tongxinglianjiyin”lilun，zuijinbeiyixiangxinyanjiuzhengshi。meiguotongzhimeitiqueertybaodao，hamozai1993nian7yuefabiaodeyanjiubaogaozhongchengrenleixingquxiangshoujiyinyingxiang，tarenweigaijiyinweiyuxransetishang，youmuqinyichuan。

 hamodeyanjiuweitongxinglianbingfeihoutianxuanzetigonglelilunyiju，dan20nianlaiqitayixieyanjiucengdechuxiangmaodundejieguo，shideyuzhongyushengjinghekongtongderenshiduihamodeyanjiuyuyifoudinghuochaofeng。2014nian6yue5ri，《huashengdunyoubao》baodaodeyixiangxinyanjiufaxianhamoshiduide，queshicunzaitongxinglianjiyin，erqiezheiyangdejiyinyouliangge，shenzhigengduo。

 tongxinglianjiyinshiyingxiangrenhedongwuxingquxiangdejiyinzhiyi，xq28、fucmjiyin 、 wnt-4jiyin、sphinxjiyinshimuqianyifaxiandejizhongtongxinglianjiyin。

 duiyutongxinglian，yanjiurenyuanzaojiucongshengwuyixue、shehuixue、wenhuaminsuhexintaixuedengjiaoduduiqikaizhanshenrudediaochaheyanjiu。xuduorenzaijiaozaodeshihoujiudechulebijiaoyizhidekanfa：tongxingliancunzaizheshenhoudeshengwuyixuejichu。suoyi，dangshehuihegongzhonghaipubianduitongxinglianbiaoshiqianzehebuxieshi，meiguoxintaixuexiehuihejingshenbingxuexiehuijiuzai1974nianfabiaoleshengmingcheng：tongxinglianbushijibing，yebushiyizhongbingtai，zheishiyizhongzhizhanshaoshudexingquxiang，xingquxiangwufagaibian，bubiduitongxinglianjinxing“jiaozhi”。

 renleijiyinzujihuadeyanjiurenyuanduiruogantongxinglianxiongdijinxingyanjiu，canyuyanjiudemeiguoxibeidaxuexuezhemaikeer·beilishuo：“xingquxiangyuhoutianxuanzemeiyourenheguanxi。womendeyanjiubiaomingxingquxiangkenengshoujiyinkongzhi，yijingyouzhengjukeyizhengming，youliangzujiyinhuiyingxiangnanxingdexingquxiang。”

 yanjiurenyuanchouqule409duitongxinglianxiongdijiqiyixinglianjiashudexueye，fenxiquerenxransetishangdemougequyuqueshiduixingquxiangyouyingxiang，yequerenle8haoransetishangyixiednahuiyingxiangnanxingdexingquxiang。xxingransetizhangbeidingduanquyuyouyigejiaozuoxq28dejiyin，xq28jiyinchuleshitongxinglianjiyinwai，yeyugaodujinshiyouguan，tazengdaletaierlugushuangjingding，zengjialeluneiyali，gaibianleyandiya，zengdalejinshilv。