But with polyandry children cannot, in general, know the identity of their male parent (although today DNA testing could come to the rescue).

但是在一妻多夫制的婚姻乱伦网址，子女一般無法知道自己的父親是誰(盡管如今的DNA檢測或許可以解決這個問題)资阳豪谙信用担保有限公司。

On the other hand, much labour and investigation will yet be needed to show clearly that that kinship was not merely a concomitant of exogamy and polyandry, should cases occur in which it must be held that neither polyandry nor exogamy was primitive custom.

另一方面，將仍然需要大量的工作和調(diào)查以清楚地表明那種血族關(guān)系不僅僅是異族通婚和一妻多夫的伴隨物欧美色婬冈站免费观看，情況應(yīng)該發(fā)生在必須考慮既不是一妻多夫制也不是異族通婚是原始的習(xí)俗之時欧美性爱插b。

Should the monogamian family in the distant future fail to answer the requirements of society ... it is impossible to predict the nature of its successor.

如果一夫一妻制家庭在遙遠(yuǎn)的將來不能滿足社會的需要，那也無法預(yù)言99riav8，它的后繼者將具有什么性質(zhì)了亚洲国产精品国产自在在线。

Maner, however, took subjects who were married or living together monogamously and asked half of them to write about feelings of love for their partner and the other half to write about a happy experience.

不過，在Maner的實(shí)驗(yàn)中95视频A片在线观看免费，他的實(shí)驗(yàn)參與者是已婚人士或者是遵照&一夫一妻制&居住在一起的伴侶69天堂一区二区三区在线观看。Maner 讓其中的一半?yún)⑴c者寫他們對其伴侶的愛的感受一本大道香蕉久中文在线播放，而讓另一半?yún)⑴c者寫一個愉快的經(jīng)歷。

Although Gutman admits that forced separation by sale was frequent, he shows that the slaves' preference, revealed most clearly on planta tions where sale was infrequent, was very much for stable monogamy.

+ 雖然古特曼承認(rèn)swag在线观看，由于奴隸買賣而造成的被迫離散甚為頻繁一区二区黄片在线播放，但他還是證明，奴隸的偏愛——在那些奴隸買賣并不頻繁的種植園上被最為顯著地揭示出來——在很大程度上側(cè)重于穩(wěn)定的一夫一妻制

The assisted reproductive technology is the latest achievement of modern physic. Its adoption brings hope and happiness to innumerable families while it also changes the natural process in which the humanity procreates. It puts huge impact to human's conception about society and ethic; it brings crisis to the traditional sex and "core family" which composes of a husband and a wife; it also produces the ethical problem of "one children with many parents". A Child may have not only the "genetic parents" and " nursing parents", but also "reproducing mother".

人工生殖是現(xiàn)代醫(yī)學(xué)的最新成果全网毛片免费网，人工生殖技術(shù)的采用在給無數(shù)家庭帶來希望和幸福的同時性生活视频一级，也改變了人類生育的自然過程，對人類原有的社會倫理觀念產(chǎn)生了巨大的沖擊黄色在线aa，使傳統(tǒng)的性愛和一夫一妻制的核心家庭瀕臨危機(jī)欧美亚洲一级黄片；造成&一子多親&的倫理問題：一個子女既可以有&遺傳父母&、&養(yǎng)育父母&人人插女人，還可能有&孕育母親&日韩精品女邻居在线观看视频免费。

Loon pairs are generally monogamous and highly territorial, emitting their haunting yodels during the breeding season to ward off intruders and violently attacking any that come too close.

潛鳥一對通常是一夫一妻制和非常領(lǐng)土的，發(fā)出不易忘懷的歌聲當(dāng)養(yǎng)育季節(jié)會保衛(wèi)防止入侵者和猛烈的攻擊任何來犯的敵人91视频网免费观看。

Loon pairs are generally monogamous and highly territorial, emitting their haunting yodels during the breeding season to ward off intruders and violently attacking any that come too close.

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Loon pairs are generally monogamous and highly territorial, emitting their haunting yodels during the breeding season to ward off intruders and violently attacking any that come too close.

潛鳥一對通常是一夫一妻制和非常占領(lǐng)擁有的土地，發(fā)出它們不易忘懷的歌聲當(dāng)在教養(yǎng)季節(jié)會警衛(wèi)并驅(qū)趕入侵者和猛烈攻擊任何膽敢太靠近的家伙1313精品午夜电影无码不卡。

Common marmosets and cotton-top tamarins—both squirrel-sized primates known for monogamous lifestyles—have pregnancies lasting five and six months, respectively.

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