近亲繁殖在有限的一部分牛群中可能会有同样的效果，同时它还有其他一些也许还未被认识到的优点。
The same effects of inbreeding may have occurred in controlled cattle populations, with some additional, and perhaps unrecognized, advantages.
但是同样重要的，其不利面：近亲繁殖。
新的幼崽必须进一步近亲繁殖。
避免职场中的“近亲繁殖”现象。
盗猎、森林砍伐以及近亲繁殖造成了牠们几近灭种。
Poaching, deforestation, and inbreeding have caused the near extinction of these big cats.
这是难以避免近亲繁殖，当这么多大熊猫相同的血。
It's hard to avoid inbreeding when so many pandas share the same blood.
当一个物种的种群数量稀少而又不得不近亲繁殖时，灭绝就会发生。
And this is what happens with small populations and inbreeding of close relatives.
近亲繁殖的主要缺点在于集中了父母双方同样的基因缺陷。
The main drawback is that inbreeding can bring together couples with the same gene defects.
亨利介绍说，这些猫大多是近亲繁殖，是病猫，不适合领养。
Most of the cats were inbred and sick and were unfit for adoption, said Henry.
在随后近亲繁殖，我获得了高身体一个，那时是非常时兴的。
In the subsequent inbreeding, I obtained high body one, which is very fashionable at that time.
正如任何近亲繁殖计划，其结果往往产生极端的，有好有坏。
As with any inbreeding program, the results tend to produce extremes, both good and bad.
令人惊讶的是，大熊猫基因组没有出现任何近亲繁殖的迹象。
Surprisingly, the panda genome turned up no signs of inbreeding.
你也不应该让它们近亲繁殖，你很清楚这样做会增加遗传缺陷。
You will also not partake in inbreeding, as you well know that genetic defects are enhanced by doing this.
这种分离增加了他们面临灭绝的风险，其部分原因在于近亲繁殖的可能性更大。
This kind of isolation increases their risk of extinction in the wild, due in part to a higher likelihood of inbreeding.
此外，近亲繁殖的父母将此突变集中于后代，掩盖了原本的基因系统。
But inbreeding parents can pool the mutations in offspring, oerwhelming the backup systems.
此外，近亲繁殖的父母将此突变集中于后代，掩盖了原本的基因系统。
But inbreeding parents can pool the mutations in offspring, overwhelming the backup systems.
但他表示，用于研究的小鼠都是近亲繁殖，致使它们得数种疾病而死亡。
But he notes that the mice used in the study were inbred, causing them to suffer from just a handful of diseases that typically kill them.
近交衰退指近交个体的适合度相对下降的现象，它是近亲繁殖的主要障碍。
Inbreeding depression is the decrease of offspring fitness after inbreeding and is one of the primary forces selecting against the evolution of self-fertilization.
总之，该发现表明，对于这种鱼类，有点异乎寻常的是现行的近亲繁殖是有利的。
Together, the findings suggest that, somewhat unusually, active inbreeding is advantageous in this fish species.
沙普龙博士解释说，通过偷猎进一步减少狼的数量，极易引发更深层次的近亲繁殖。
Further reducing the number of wolves by poaching leaves this population very vulnerable to further inbreeding, explained Dr Chapron.
但是在那些存在高度近亲繁殖的核心家庭中，后代健康的几率估计下降了5.4%。
But in those nuclear families with higher levels of inbreeding, offspring had an estimated 5.4 percent reduction in fitness.
当时，一些富有远见的男人开始行繁殖和近亲繁殖，与建立一个新的草案品种的希望。
At that time, a few foresighted men began line breeding and inbreeding with the hopes of establishing a new draft breed.
然后，他们让这些近亲繁殖品种的多个群落在不受研究人员干预的情况下经历15代。
Then they allowed multiple populations of the inbred strains to pass through 15 generations with no interference from the researchers.
自然界的白虎已经极为稀有，如今许多在动物园里见到的白虎都是通过备受争议的近亲繁殖产生的。
White tigers are extremely rare in nature, and many seen in zoos today are produced through controversial inbreeding.
至于说它是一件好事，在相关个人或来自小族群人们的孩子中潜在的遗传疾病告诉我们，近亲繁殖通常不是好主意。
As for it being a good thing, the potential for inherited disease in children of related individuals, or people from small communities, tells us that inbreeding is generally not a great idea.
但是他们不仅仅是缺少成功的技术，他们也将成为自己在个人电脑产业创立的“近亲繁殖”结构的牺牲品。
But not only do they lack the technology to succeed, they will also fall victim to the inbred structure they've created in the PC industry.
虽然黑猩猩是500万年前近亲繁殖而成并导致人类出现的团伙，但是任何同物种间的相似迹象都很有趣。
Signs of anything similar in a species that, albeit a close-ish relative, parted company from the line leading to humans at least 5m years ago are therefore interesting.
这些幸存者均由2只雄虎和4只雌虎繁衍而来，繁殖能力明显减退，并且由于近亲繁殖其幼虎死亡率也超出平均水平。
These survivors are all the progeny of just two males and four females, and display the lowered fertility and above-average infant mortality that goes with inbreeding.
这些幸存者均由2只雄虎和4只雌虎繁衍而来，繁殖能力明显减退，并且由于近亲繁殖其幼虎死亡率也超出平均水平。
These survivors are all the progeny of just two males and four females, and display the lowered fertility and above-average infant mortality that goes with inbreeding.
应用推荐