同性为何可以相吸，男性同性恋为何更加吸引？

doushuoyixingxiangxi，danweihehuichuxiantongxingxiangxini？

yi、weishenmetongxingyehuixianghuxiyin？

1、“and”tixiangdezuoyong

 suhua“nannvdapeiganhuobulei”，xianzaiyouhenduotongxinglianjiaoyou，nantongxinglian，nvtongxingliandouchengweilepubian。neimeweishenmenanxingtongxinglianhuixiyinnanxingtongxinglianni？“yixingxiangxi”zaidaziranzhongxianeryijian，danruidiankexuejiajinrideyixiangyanjiu，jiekaile“tongxingxiangxi”demidi。yezhidaoleweishenmeyouneimeduotongxinglianbadecunzai。kexuejiafaxian，rendetiweizhongcunzailiangzhongmingwei“and”he“est”deheermeng，zhengshitamenhuanqilerenleiduiqingyudekewang，zheixiangfaxianhaijieshiledanaofanyingshinantongxingliandeguanjianyaosu。renleikeyi“wen”chuheshixingbanlv，nantongxinglianduicigengjiamingan。meigerendouyouzijidutedeshengliqiwei———tixiang，danzheizhongqiweitongchangbuyibeizijiwendao，zhiyoubierencainengshenqieganshou，tebieshiyixing。jushuo，napoluncongzhanchangshanghuijiazhiqian，jiuxiexinjiqiziyuesefen，yaoqiutazaiqihuilaizhiqianbuyaoxizao，yuanyinzaiyunapoluntebiexihuanyuesefenweixizaoqiansanfayouxiangdedongti。meiguoyougejiaojiweierdenanzi，qimaobuyang，qiguaideshi，youbushaonvxinghenyuanyihetaqinjin，juyiweiyutajiaoqinghenshendenvzishuo，yutaqinreshixiangwendaotashenshangsanfachudexiangmitangbandexiangwei，zheizhongqiweilingrenxinkuangshenyi。

1.1、hewei“and”

 weiheandyourucixiyinli，nandaozhendecunzaimouzhongshenqiwuzhinengrangrenchanshengmeilimajinri，zaizuixinchubande《guojiakexueyuanxuebao》shang，laiziruidiankaluolinsikadaxueyiyuandeyanjiuxiaozu，zaisidegeermodeyanjiushizhongtilianchuliangzhonggaotongyanshengwu，ji“andheest”。yanjiuxiaozufuzerensaweikezhichu，rendetiweizhizhongqueshicunzaixiyinairendewuzhi，tahuizhijieyinqirenleidanaodefanying，chanshengxingchongdong。andshigaowanjisudebianzhong，tacongnanxinghanyezhongpaichu;estzeyucijisuyouguan，zhuyaocunzaiyunvxingniaoyezhong。yanjiuhaifaxian，cunzaiyunanxinghanshuizhongdehuaxuewuzhiand，duinantongxinglianhenvyixinglianzhedouhuichanshengxiangtongdeciji，danduiyixingliannanziquebuqirenhezuoyong。zhuanjiarenwei，“zheixiangfaxianjieshiledanaofanyingshinantongxingliandeguanjianyaosu”。xuanzepeioushi，renmenyikaoyuxingbiexiangguandeqiweifenzilaijihuonaobuqingyuquyu。zaididengdongwuzhong，liangxingxinghuodongyuxingxuanzedexinxizhuyaoyikaoqiweilaichuandi，xuduoburudongwuzaifaqingqizhongdouhuisanfamouzhongteshuqiwei，yixiyinyixingtonglei。zaixuanzepeioushi，daduoshudongwuyikaoyuxingbiexiangguandeqiweifenzilaijihuonaobufuzejiaopeidequyu，zheileifenzibeichengweiwaijisu。suoyicunzaizheimeduotongxinglianjiaoyouyeshizhengchangde。nanxingtongxinglianpubiancunzaiyebushimeiyouliyoude。

2、heermengyekenengshixianghuxiyindeguanjian

 zailaoshudongwushangdezuoyongyijingbeikexuejierenke。yanjiufaxian，heermengxunhaohuitouguodongwubiqiangzhongyigejiao“libiqi”dejiegoudidadanaoxiashiqiuquyu，congerxiyinyixinggeti，yingxiangdongwudejiaopeixingwei。buguorentizhongdeheermengzuoyongxianglaishishengwulingyudezhengyihuati，bushaokexuejiaduitazairenleihuodongzhongshifoubanyanxiangtongjiaosechihuaiyitaidu。rentisuiranyeyouheermengjieshouqi，weiyuxiaqiunaoqianduan，juyouhuanqixingyishidegongneng，danmeiyoushenjinglianjiedaodanao，shengwuxuejiayinerzhiyirenleiduiheermengjiujinghuibuhuiqifanying。saweikedengrenzaoqianjinxingdeyixiangyanjiufaxian，heermengduiyixingdenaobo、xueya、maibo、huxidengshenglixianxiangkechanshengqimiaodexiaoguo，congerchanshengxingxiyin。nvxingwendaoandhuonanxingwendaoestshi，danaozhongkongzhixingxingweidexiashiqiuquyujiuhuihuoyueqilai。yejiushishuo，heermengqueshinengtongguodanaofanyingyingxiangrentideheermengfenmi。erandheestzainannvtineizebanyanzheshuangzhongjiaose：yifangmianyongqiweixiyinyixing，yifangmianyouduiyixingchansheng“xingqu”。yanjiurenyuancheng，heermengnengbeirentizhongdelibiqijuechadao，buguozheizhongxinxiyaoxianjingfuzatujingzhuanhuanchengqingganxinhaohoucainengchuandidaoshenjingxitong，shizhongshushenjingxitongqinggandiaokongquyudexueliuliangzengjia，fangdianzengduo，congerdiaojierentizishendeqingganxingwei。renmenyinerhuiduiyixingchanshengmilianbandehaogan，chenzuiyuairenshuxidetiweizhong。tongxinglianbayinggaihuicunzaidaliangzheiyangdeqiwei。

3、nantongxinglianhanweijiandexiyin

 nantongxinglianhuiyinhanweierxianghuxiyin。dui“yixingxiangxi”deyuanyinjinxingjieshihou，zuixindeyanjiujinyibutuozhandaotongxingfangmian。zheiyici，saweikedengrenqinglaile12mingnvxing，12mingyixingliannanxing，yiji12mingtongxingliannanxing，duizhei3zuduixiangjinxingguanchashiyan。yanjiurenyuanfenbierangtamenwenweiliangdeand、estfenzi，yijiqitaqiwei，baokuoxunyicaoyou、xuesongyou、dingzixiangfenhedingchun。ranhouyongpet(zhengdianzifasheduancengchengxiang)jishuguanchatamendenaobuhuodong。yanjiujieguoxianshi，dangmeiyizhongwubiaoshiqiweichengxianshi，yanjiuduixiangdounengqingchudifenbianchulai，duici，saweikebingburenweizheixieyanjiuduixiangdanaozhongdefanyingcunzairenheyouyishixing：“cijichanshengdemoshibingbuyiweizherenzhixingchuli。”xingnengjiandingceshihecigongzhensaomiaoxianshi，putongqiweicijideshisuoyouceshiduixiangdanaozhongfuzexiujuedebufen，erandcijideshinvxinghenantongxingliancanyuzhedanaozhongfuzexingxingweidebufen，estduinanyixinglianyetongyangruci。saweikejinyibuzhichu，shejishencengdexingxiyinlishi，renleidebizihuizuochupanduan。yidanwendaoand，tongxingliannanrenheyixingliannvrennaobuxingyishiquyudexueliuhuizengjia，erduiyixingliannanrenquemeiyouxiaoguo。xiangfan，esthuishiyixingliannanrennaobuxiangyingquyuhuodongjiaju，erduitongxingliannanrenheyixingliannvrenwuxiao。“heyixingliannanzizuxingchengduibideshi，tongxingliannanxingyuyixingliannvxingtongyangdouduiandqifanying，xiashiqiudouchengxianhuodongdexianxiang。”saweikexiaozuxiedao。qizhongyouyixiashiqiuhoubudehuodongzuiqianglie，erzheibufenzaidongwuzhongqiahaoshi“hexingxingweizuiyouguanxi”dequyu。zhiyuxunyicaodengputongxiangwei，3zushiyanzhedefanyingmeiyoubutong。yanjiubaogaozhichu，“zheixiefaxianxianshi，xiangjiaoyuyibandeqiwei，womendedanaoduiyuzheiliangzhongyibanrendingdeheermengfanyingbutong，zheiyexianshichuxingquxianghexiashiqiushenjingyuanzhijiancunzaiguanlian。”buguotongxingliannvxingdefanyingbingmeiyouchuxianzaiyanjiubaogaozhong，duicisaweikebiaoshi，tongxingliannvxingdeyanjiushuju“feichangfuza”，muqianhaixujinshenchuli。

4、nantonggengxihuannantongdeweidao、

 tongxinglianjiaoyouzhong，yixingliannannvdougengxihuannvtongxingliandeqiwei。meiguofeicheng“moneihuaxueganguanzhongxin”dechaersi·weisuocijiboshizaizheigefaxiandejichushangjinyibucaixiang：jiranqiweikeyicujinyixingxiangxi，neimerentitianrandeqiweishibushiyehuijuedingrenmendexingquxiang。lezhengminggaixiangfa，chaersi·weisuocijiboshizuzhile24mingnannvyixingliancanjialeyixiangweiqi9tiandeshiyan。zaizhei9tiandangzhong，meiyigerendouyaoyongwuweixiangzaohexiangbojinxingquanmianchongxi，tongshibimianshiyongdasuan、ziranhekalizheileiqiweinongzhongdeshipin。jingguo9tianxiaoduzhihou，meirenzaiyexiajiayikuaixiaodumianqiu。jiayitianzhihou，zheixiemianqiubeifangzaipingzhongchucun，lingwaizhaolai82mingnannvtongxinglianheyixinglianzuchengyigeqiweijianbiexiaozu，xiaozuchengyuanjianggenjuyidingdebiaozhuncongtiweipingzhongxuanzezijirenweizuiyouxiyinlideqiwei。yixingliannannvdadouweiyixingliannanxingdeqiweisuoxiyin。tongxinglianzheduoweitongxingliandetiweixiyin，dangbanantongxinglianyunvtongxingliandeqiweifangzaiyiqibijiaoshi，yixingliannannvgengxihuannvtongxingliandeqiwei，xiangfannantongxinglianzegengxihuannantongxingliandeqiwei。weisuocijiboshishuo，zheigefaxianzhengming，nantongxingliangengxihuannantongxingliandetiwei，ernvtongxinglianheyixingliannvxingduitiweidefanyinggebuxiangtong。yejiushishuo，renmenduiqiweidexihaohezengebujinyuqiweidelaiyuanyouguan，erqieyeyugerendexingqingxiangyouguan。

 yixiekexuejiarenwei，saweikedengrendeyanjiufenbiezairentiheermengherenleixingtezhenglianggelingyuqudelezhongdatupo。xindeyanjiubiaoming，tongxingliandenanrenheyixingliandenvrenduinanxingqiweifenzidefanyingshixiangtongde，taxianshilexingqingxiangbianmazaidanaozhongdeyizhongkenengfangshi，kenengyiweizherenleixinghuodongdexuduotezhengdouyuanzixiujue。danyeyoukexuejiatichu，duicijieguoshangxujinshenduidai，yinweitongxingliannanrenduixiongxingwaijisumingandeyuanyin，kenengbingbushibizitianshengduixiongxingwaijisuyoufanying，ershiyunanrenbaochixingguanxisuodaozhidehoutianjieguo。