interbreed

Since the birds interbreed they cannot be classed as different species

由于这些鸟进行杂交繁殖，不能把它们归为不同的物种。

Did our ancestors , after having split off , keep returning to the apes in the same way that today 's grizzlies and polar bears still interbreed occasionally ?

脱离了猿后，我们的祖先是不断回到猿那里去，就像灰熊和北极熊至今还偶尔会杂交繁殖那样？

Comparing the Altai genome to modern human DNA confirmed the interbreeding .

通过比较阿尔泰山脉尼安德特人的基因组和现代人类的DNA，确认了混种繁殖的存在。

Prolonged interbreeding in any species can eventually lead to serious birth defects .

长期来看，任何物种间的异血缘繁殖终会导致严重的先天缺陷。

However , harmful effects are more common in groups with a history of interbreeding over several generations .

但是，恶性先天缺陷常见于家族多代异血缘交配。

Evidence to back up his theory is DNA tests show that humans and Neanderthals did interbreed .

哈克史密斯的理论是有证据支撑的，DNA检测表明人类和穴居人之间有通婚繁衍的迹象。

Once the scientists accepted that the interbreeding was real , they estimated when it happened .

一旦科学家们接受了混种繁殖的情况真实存在，他们就开始估算它发生的时间。

Denisovans also interbred with ancient modern humans , according to Paabo and his team .

据柏保和他的小组所言，丹尼索瓦人也曾经和远古的现代人类杂交。

They concluded that humans must have interbred with Neanderthals after leaving Africa .

科学家得出结论，人类一定是在离开非洲大陆后和尼安德特人进行了混种繁殖。

Wolves and dogs can interbreed and produce offspring .

狼和狗能够异种交配而且繁育后代。

They can easily interbreed . Overall , wolves and dogs are 99.8 % genetically identical .

他们可以顺利地进行杂交总体来说狗和狼99.8%遗传基因相同

He defines the local population or deme as the group of potentially interbreeding individuals at a given locality .

他说地区的种群或居群是某一地区具有潜在杂交能力的个体的集群。

Very large wild goose of northeast Asia ; interbreeds freely with the graylag .

亚洲东北部非常大的野鹅；与灰雁自由杂交。

( biology ) relating to the occurrence of more than one kind of individual ( independent of sexual differences ) in an interbreeding population .

（生物学）关于混种人口中不只一种个体的存在（有别于性别差异）。

In China , Cupid and Santa seem to have interbred to give Christ 's birthday a romantic flavour .

在中国，丘比特（Cupid）和圣诞老人（Santa）似乎已合为一体，给耶稣的生日带来浪漫的情调。

They were rare , and the pure-strain wild turkeys had begun to interbreed with farmers domestic stock .

纯种野火鸡已经和农户的家养火鸡混种，品种质量有所下降。

( biology ) taxonomic group whose members can interbreed . This novel cross-fertilization is what Ishiguro describes as android science .

（生物学）成员之间可以进行异种交配的分类学类目。这种全新的异体交配法，正是石黑浩口中的仿制人科学。

Shanle oilfield is an ultra-low permeability coal series interbred reservoir in Tuba field with special geo-logic condition and complex structures .

鄯勒油田是吐哈油区的一个特低渗煤系互层油藏，地质条件特殊，构造复杂。

That genetic legacy is the result of interbreeding roughly 50000 years ago between Neanderthals and the common ancestors of Europeans and Asians .

这份基因遗产，是大约5万年前尼安德特人和欧亚人的共同祖先混种繁殖的结果。

The American Anthropological Association in1998 stressed that neighboring populations interbreed and that physical traits tend to vary gradually rather than abruptly over geographic areas .

1998年美国人类学协会为了邻近种族的杂交而生理上的特徵有非常逐渐而不是突然地跨过地理区域感到很紧张。

Scientists say an entirely separate type of human identified from bones in Siberia co-existed and interbred with our own species , the BBC reported .

英国广播公司消息，科学家经过对在西伯利亚发现的一些骨头的鉴定，发现了一个完全不同的人种，该人种曾和我们的祖先共存和交配。

The common origin of dogs indicated that the dog breeds were not generated by wolf domestication in different geography or interbreeding between wolves and dogs .

这也就否定了：不同品种的家犬是由不同地区的狼驯化而来，或者是与狼进行杂交形成的假说。

Instead , he thinks the scenario that best fits the evidence is that humans expanding into the Middle East encountered and interbred with Neanderthals there .

他认为，能与证据吻合得最好的情景是，扩散到中东地区的人类与当地的尼安德特人进行了混种繁殖。

In a study published on Wednesday in Nature , a team of scientists reports that another instance of interbreeding left Neanderthals in Siberia with chunks of human DNA .

在《自然》杂志（Nature）周三发布的一篇研究论文中，一组科学家提交的案例表明，混种繁殖使得西伯利亚的尼安德特人带有部分人类DNA。

Significantly , this herd will be entirely free of cattle genes - unlike most existing buffalo herds in America , which have interbred with domestic cattle .

更为重要的是，这个群体将完全是纯种野生基因，而非像美国现存的许多野牛群，是与驯养的家牛杂交的后代。

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 ?

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？

Related species that are not geographically isolated , and which could interbreed but in practice do not because of differences in behavior , breeding season , etc. , are called sympatric species .

两个或更多相关物种之间无法互相杂交是因为地理隔离，这样的物种被称为异地种。

Eventually , however , Dr. Castellano persuaded him the data were strong , and Dr. Viola looked over the fossil record for possible explanations for the interbreeding .

不过，卡斯特利亚诺最终说服他相信数据是可靠的。于是维奥拉博士查看了或许可以解释这一混种繁殖的化石记录。

They show that Neanderthals split from our human ancestors about 500,000 years ago and evolved separately , with little or no interbreeding , until Neanderthals became extinct 28,000 years ago .

这些成果显示，尼安德特人大约在50万年前从人类祖先中分离出来，独自进化。此后，他们几乎或根本没有与其它族群杂交繁衍，直至2.8万年前灭绝。

The researchers further concluded that the Manot specimen " provides important clues about the morphology of modern humans in close chronological proximity to a probable interbreeding event with Neanderthals . "

研究者还进一步得出结论，认为马诺特标本“为现代人类在与尼安德特人发生可能的交配活动前后的形态学特征提供了重要线索”。