同性为何可以相吸，男性同性恋为何更加吸引？

doushuotongxingxiangchi，danweishenmehuichuxiantongxingxiangxini？

yi、weihenantongyehuihuxiangxiyinzhu？

1、“and”tixiangdegongxiao

 laohua“nannvdapeiganhuobulei”，rujinyouxuduotongxinglianjiaoyou，nantongxinglian，nvtongxingliandoubianchengleguangfan。neimaweihenanxingtongxinglianhuixiyinzhunanxingtongxinglianni？“tongxingxiangchi”zaiziranjiezhongbuyaneryu，dandeguoshengwuxuejiaqianbujiudezheixiangkexueyanjiu，jiekaile“tongxingxiangxi”demidi。yezhidaoweiheyouneimaduotongxinglianbadecunyou。shengwuxuejiafajue，rendeganshouzhongcunyouerzhongmingjiao“and”he“est”dexiongxingheermeng，gengshitamengouqilerenmenduideqipan，cixiangfajuehaibiaominglerendedanaofanyingshinantongxingliandezhongyaoyinsu。renmennenggou“wen”chushihexinghuoban，nantongxinglianduiyugengweibijiaomingan。meigerendouyouzishenyuzhongbutongdeshenglixueweidao———tixiang，danzheileiweidaoyibanburongyibeizishenxiudao，zhinengtarennenggouzhenqietihui，feichangshiyixingpengyou。tingshuo，napoluncongjingjichangshanghuijialeyiqian，jiuxiexinjilaopoyuesefen，guidingtazaiqihuijiayiqianbubixianzao，yuanguqujueyunapolunfeichangxiaiyuesefenweixianzaoqianshifanghuaxiangdeyuti。yingguoyouyigejiaojiweierdexiaohuo，xiangmaopingping，lingrenfeijiedeshi，youxuduonvshihenxiangyaohetaqinmijiechu，juyimingyutajiaoqinghenshendenvrenshuo，yutapapashixiangxiudaotashoushangshifangchudexiangmitangyiyangdexiangqi，zheileiweidaorangrenshenqingqishuang。

1.1、shenmeshi“and”

 weishenmeandyouzheibanyouhuoli，nandaoshuoqueshicunyoumouleiqimiaohuaxuewuzhinenglingrenzaochengfengcaimaqianbujiu，zaizuixinxiaoxichubanfaxingde《guojiagongchengyuanxuebao》shang，laiyuanyudeguokaluolinsikagaoxiaoyiyuanmenzhendekexueyanjiugongzuozu，zaisidegeermodediaoyanshizhongtilianerzhonggaotonghuahewu，ji“andheest”。kexueyanjiugongzuozuzerenrensaweikeqiangdiao，rendeganshoudangzhongdequecunyouxiyinzhulianrendehuaxuewuzhi，tahuilijizaochengrenmenrendedanaodefanying，zaochengxingxingfen。andshigaowanjisudebianyi，tacongnanshihanshuizhongpaichulai;estzeyucixingjisuxiangguan，guanjiancunyouyunvshiniaolizhong。kexueyanjiuhaifajue，cunyouyunanshihanyezhongdehuahewuand，duinantongxinglianhenvyixinglianzhedoushizaochengtongyangdecijixing，danduiyixinglianxiaohuoquebuleyiqiegongxiao。zhuanjiazhichu，“cixiangfajuebiaominglerendedanaofanyingshinantongxingliandezhongyaoyinsu”。tiaoxuanzhixiqinshushi，dajiajiezhuyuxingbieyouguandeweidaofenzijiegoulaijihuatoubudiqu。zaididengdongwuzhong，liangxingxingzhutihuodongyuxingtiaoxuandexinxineirongzhuyaoyikaoweidaolaichuansong，henduoburudongwuzaifaqingqizhongdoushishifangmouleiteshuqiwei，yixiyinnvshengleisi。zaitiaoxuanzhixiqinshushi，dabufenxiaodongwujiezhuyuxingbieyouguandeweidaofenzijiegoulaijihuatoubuchengdanpeizhongdediqu，zheizhongfenzijiegoubeichengzuowaijisu。yincicunyouneimeduotongxinglianjiaoyoudoushiyiqiezhengchangde。nanxingtongxinglianpubianxianxiangyebingbushimeiliyoude。

2、xiongxingheermengyejianghuishihuxiangxiyinzhudezhongyao

 zaihaozixiaodongwushangdegongxiaozaoyibeikejijierentong。kexueyanjiufajue，xiongxingheermengxinhaohuichuantouxiaodongwubikongzhong1gejiao“libiqi”degouzaodaodarendedanaoxiashiqiudiqu，jinerxiyinnvshenggeren，weihaidongwudejiaopeigerenxingwei。danshishentizhongdexiongxingheermenggongxiaosulaishiweishengwuxingyedeyiyihuatitaolun，xuduoshengwuxuejiaduitazairenmenzhutihuodongzhongshibushishiyantongyangrenwujiaosechicaiyixintai。shentijinguanyeshixiongxingheermengjieshouqi，zuoluoyuxiaqiunaochuitiqianduankaifa，jubeigouqixingyishidezuoyong，danmeiyoushenjingxitonglianjiedaorendedanao，kexuejiayincitichuzhiyirenmenduixiongxingheermengdaodihuifouqifanying。saweikedengzaoqikaizhandezheixiangkexueyanjiufajue，xiongxingheermengduiyixingpengyoudenaodianbo、xinlv、mailv、xiqidengshenglixuezhuangkuangkezaochengqitedeshijixiaoguo，jinerzaochengxingxiyinzhu。nvshixiudaoandhuonanshixiudaoestshi，rendedanaozhongcaozongxingshenghuodexiashiqiudiqujiuhuihuoyuexingqilai。huanjuhuashuo，xiongxingheermengdequenenggenjurendedanaofanyingweihaishentidexiongxingheermeng。erandheestzainanrennvrenshentizeshiyanshuangxiangrenwujiaose：bujinyongweidaoxiyinnvsheng，bujinyouduiyixingpengyouzaocheng“xingyu”。kexueyanjiugongzuorenyuancheng，xiongxingheermengnengbeishentizhongdelibiqijuechadao，danshizheileixinxineirongyaoxianjingguofanzafangshizhuanhuachengganqingshujuxinhaohounenggouchuansongdaozhongshushenjingxitong，shizhongshuxitongganqingguankongdiqudexuerongliangtisheng，chongfangdianzengjia，jinerdiaozhengshentibenshendeganqinggerenxingwei。dajiayincihuiduiyixingpengyouzaochengchimiyiyangdehaogandu，chenzuizailianrenlejiedeganshouzhong。tongxinglianbayingdanghuicunyouhenduoneiyangdeweidao。

3、nantongxinglianhanchouweijiandexiyinzhu

 nantongxinglianhuiyinweihanchouweierhuxiangxiyinzhu。dui“tongxingxiangchi”deyuangukaizhanbiaoshuhou，zuixinxiaoxidekexueyanjiushenhuakuozhandaonantongcengmian。zheici，saweikedengzhaolaile12mingnvshi，12mingyixingliannanshi，jiqi12mingshuangxingliannanshi，duizhei3zulingyibankaizhanguanchashiyan。kexueyanjiugongzuorenyuangezirangtamenwenweiliangfenxideand、estfenzijiegou，jiqibiedeweidao，baohanxunyicaoyou、xuesongyou、dingzixiangfenhedingchun。suihouyongpet(zhengdianzifashedianduankuaixianxiang)jishuxingguanchatamendetoubuzhutihuodong。kexueyanjiushujuxianshi，dangmeizheizhongwubiaozhiweidaozhanxianshi，kexueyanjiulingyibandounengqingxidibianbiechuqu，duiyu，saweikebingburenweizheizhongkexueyanjiulingyibanrendedanaozhongdefanyingcunyouyiqieqingxingxing：“cijixingzaochengdefangshibingbuyiweizherenzhinenglixingjiejue。”texingpingdingjiancehehecigongzhensaomiaoyixianshixinxi，yibanweidaocijixingdeshiquanbujiancelingyibanrendedanaozhongchengdanweijuedeyibufen，erandcijixingdeshinvshihenantongxingliancanjiazherendedanaozhongchengdanxingshenghuodeyibufen，estduinanyixinglianyeyiyangzheiban。saweikeshenhuaqiangdiao，shejidaoshencengcidexingyouhuolishi，renmendebitouhuizuochufenbian。ruguoxiudaoand，shuangxingliannanrenheyixingliannvxingtoubuxingyishidiqudexueyehuitisheng，erduiyixingliannanshengquemeiyoushijixiaoguo。fanguolai，esthuishiyixingliannanshengtoubuxiangduiqujiaoyouxijiazhong，erduishuangxingliannanrenheyixingliannvxingshixiao。“heyixingliannanzizuchanshengbizhaodeshi，shuangxingliannanshiyuyixingliannvshiyiyangdouduiandqifanying，xiashiqiudouzhanxianzhutihuodongdezhuangkuang。”saweikegongzuozuxiedao。zaiqizhongyouxialieshiqiuhoucedezhutihuodongzuimingxian，erzheixiezaixiaodongwuzhongzhenghaoshi“hexingshenghuozuiyouguanlian”dediqu。duiyuxunyicaodengyibanxiangqi，3zushiyanzhedefanyingmeiyoubuyiyang。diaochabaogaoqiangdiao，“zheizhongfajuexianshixinxi，xiangbitongchangdeweidao，renmenderendedanaozhenduizheierzhongtongchangpingdingdexiongxingheermengfanyingbuyiyang，zheiyexianshixinxichuxingquxianghexiashiqiushenjingxibaozhongjiancunyouguanxi。”danshishuangxingliannvshidefanyingbingmeiyouchuxianzaidiaochabaogaozhong，duiyusaweikebiaoda，shuangxingliannvshidekexueyanjiutongjishuju“bijiaofuza”，xianjieduanhaishenzhongjiejue。

4、nantonggengxiainantongdeweier、

 tongxinglianjiaoyouzhong，yixingliannanrennvrendougengxiainvtongxingliandeweidao。meiguofeicheng“moneiyoujihuaxueganguanguanlizhongxin”dechaersi·weisuocijiboshiyanjiushengzaizheiyifajuedejibenshangshenhuacaice：jiranweidaonenggoutuidongtongxingxiangchi，neimashentichuntianrandeweidaoshifouyehuijuecedajiadexingquxiang。lezhengshigainiantou，chaersi·weisuocijiboshiyanjiushengjigoule24mingnanrennvrenyixinglianbaomingcanjialezheixianglishi9tiandeshiyan。zaizheili9tianzhizhong，meizijibixuyongwuqiweifeizaohexiangbokaizhanquanfangweiqingxi，lingwaifangzhifuyongsuantou、ziranfenhekalijiangzheizhongweidaononghoudeshipinlei。lijing9tianxiaodushajunyihou，meiweizaiyewoxiajiayikuaierxiaodushajunyaomian。jiameitianyihou，zheizhongyaomianbeifangdaopingzhongcunchu，lingyigejiaolai82mingnanrennvrenshuangxinglianheyixingliangoucheng1geweidaobianbiegongzuozu，gongzuozuzuyuanjiangyijubixudeguifancongganshoupingzhongtiaoxuanzishenjuedezuiyouyouhuolideweidao。yixingliannanrennvrendaduoshuweiyixingliannanshideweidaosuoxiyinzhu。tongxinglianzheduojianshuangxingliandeganshouxiyinzhu，dangbanantongxinglianyunvtongxingliandeweidaofangdaoyikuaierjiaoweishi，yixingliannanrennvrengengxiainvtongxingliandeweidao，fanguolainantongxinglianzegengxiainantongxingliandeweidao。weisuocijiboshiyanjiushengshuo，zheiyifajuezhengshi，nantongxingliangengxiainantongxingliandeganshou，ernvtongxinglianheyixingliannvshiduiganshoudefanyingbujinxiangtong。huanjuhuashuo，dajiaduiweidaodeaihaohezenghenbudanyuweidaodelaiyuanyuxiangguan，bingqieyeyubenrendexingquxiangxiangguan。

 mouxieshengwuxuejiajuede，saweikedengdekexueyanjiugezizaishentixiongxingheermengherenmenxingtedian2gexingyehuodelezhongdajinzhan。xindekexueyanjiushuoming，shuangxingliandenanrenheyixingliandenvxingduinanshiweidaofenzijiegoudefanyingshitongyangde，taxianshixinxilexingquxiangbianhaozairendedanaozhongdezheizhongjianghuifangfa，jianghuidaibiaorenmenxingzhutihuodongdehenduotediandouyuanyuweijue。danyeshishengwuxuejiamingquetichu，duiyujieguoshangshenzhongkandai，youyushuangxingliannanshengduixiongxingwaijisubijiaomingandeyuangu，jianghuibingfeibitouxiantianxingduixiongxingwaijisuyoufanying，zhishiyunanshengweichixingxingweisuozaochengdehoutianxingjieguo。