近亲交配

它包括两个方面的禁忌：避免近亲交配和外婚制度。

It includes two aspects : inbreeding avoidance and exogamy .

丹麦动物园称这一极端举措是为了禁止近亲交配，并坚称当众解剖是为了普及动物学知识。

The Danish zoo said the drastic move was needed to combat inbreeding and insisted the display was educational .

传粉者们在临近的花朵间不停地忙碌着，但兰花们却担心近亲交配的发生。

With pollinators hopping from one flower to its neighbor , orchids worry about inbreeding .

反之，在人口小且封闭的地方，近亲交配很普遍，有血缘的夫妻携带相同基因突变的几率更大。

But in small , isolated populations where inbreeding is common , theres a greater chance that related partners carry the same mutations .

冰岛民族并不是近亲交配的产物，斯蒂芬森说，应用程序很有趣，它使得数据得到更好利用。

The Icelandic nation is not inbred , Stefansson said . This app is interesting . It makes the data much more available .

外来入侵物种对遗传多样性的影响主要体现在：种群破碎化，导致遗传漂变和近亲交配；

The impacts of biological invasion on genetic resources are as following : local population is fragmented , causing genetic drift and inbreeding ;

通过杂交或近亲交配的动植物的生产。马尾松建园无性系选配及亲缘关系控制的分析

The production of animals or plants by inbreeding or hybridization . Analysis of Clone Selective Pairing and Consanguinity Control for Seed Orchard in Pinus massoniana

日本狗界铤而走险近亲交配浮滥，有些兽医和其他专家点出另一个较不明显的因素：日本生育率不断下降。

Some veterinarians and other experts cite another , less obvious factor behind widespread risky inbreeding in japan 's dog industry-the nation 's declining birthrate .

由此说明20个种群的基因交流比较频繁，没有出现因近亲交配而出现的杂合度降低。

So it was showed that the gene have exchanges frequently in the 20 populations and reduction of heterozygosity caused by inbreeding did not appear .

于蜂兰花而言，雄峰的失落正中下怀，因为雄蜂在冷静的过程中飞得越远，就越能防止蜂兰花的近亲交配。

The bee 's frustration plays into the orchid 's reproductive strategy , as the distance traveled while the bee was cooling his temper prevents inbreeding .

螨类因其繁殖力强，世代周期短，活动范围小，近亲交配率高，受药机会多，其抗药性问题甚至比其他农作物害虫更见突出。

Due to stronger reproductive ability , shorter generation time , smaller movement area , higher cross rates of near relatives , more acaricides contact opportunity , the problem of mite resistance is more dominant than other crop insect pests .

近来有基因证据表明，现代智人可能在中东地区与他们的近亲尼安德特人交配，时间大约是6.5万到4.7万年间。这具化石是否支持了这种基因证据？

Could this support recent genetic evidence that modern Homo sapiens and their Neanderthal cousins interbred , perhaps in the Middle East and most likely between 65000 and 47000 years ago ?