这些返祖性状提供了优势，并在种群中传播，有效地逆转了进化。
These atavistic traits provided an advantage and spread through the population, effectively reversing evolution.
他们认为，如果这些沉默的基因以某种方式被重新激活，长期丢失的性状可能会重新出现。
If these silent genes are somehow switched back on, they argued, long-lost traits could reappear.
她正在努力寻找一种方法，从适应极端干旱天气的珍稀野生植物中提取性状，并将其用于粮食作物。
She is hard at work finding a way to take traits from rare wild plants that adapt to extremely dry weather and use them in food crops.
但是，如果沉默基因在600万到1000万年内退化，那么失去已久的性状如何在更长的时间内被重新激活呢？
But if silent genes degrade within 6 to 10 million years, how can long-lost traits be reactivated over longer timescales?
广义上讲，性状遗传性衡量的是群体成员间的差异在多大程度上可以用基因差异解释。
In broad terms, the heritability of a trait measures the extent to which differences among members of a population can be explained by differences in their genetics.
全局变量是非事务性状态对象。
这些性状的演化发生于冰河时代末期的北欧部落。
The traits are thought to have evolved among northern European tribes at the end of the last ice age.
最重要的是表型的变异，即性状遗传的产生是随机的。
What matters is that the alterations of phenotypes that the mechanisms of trait transmission produce are random.
在本书中我们回顾了多种多样非自然选择的性状遗传。
In our book we review a large and varied selection of non-environmental constraints on trait transmission.
对于这些性状况来说，没有简单的治疗方法。
目前自然选择的核心观点是表型性状因其适应性而被选上。
Now the core of natural selection is the claim that phenotypic traits are selected for their adaptivity, that is, for their effect on fitness.
获得突变性状的后代将首先在自身物种里占主导。
The mutant’s descendants would first take over their own species.
达尔文主义者认为，进化是自然环境对表型性状选择的解释。
Darwinists say that evolution is explained by the selection of phenotypic traits by environmental filters.
但是目前的工作显示，关于复杂基因性状研究的进展非常顺利。
But the work shows that research into complex genetic traits is getting off the ground.
作为一种单一性状，成功的冒险被广泛地认为是优秀基因的表征。
As a single trait, successful risk-taking is universally appreciated as a sign of good genes.
如果有人试图拦截光子，光子属性状态将受到干扰，并发出警报。
And if anyone attempts to intercept the photons, the properties get disturbed and an alarm is raised.
骨骸的性状能够告诉死者一生当中身体承载了多少重量。
The shape of bones can give a general idea about the weight a person carried in life.
因而，它能够在几秒钟时间内将文件系统恢复到一致性状态。
Thus, it is able to bring the filesystem back to a consistent state in a matter of seconds.
加拿大不列颠哥伦比亚省温哥华市上空模仿海胆性状的烟花。
Fireworks over Vancouver, British Columbia, Canada, mimic a sea urchin.
暗能量的真实本性仍然是个未解之谜，从理论上解释观测到的性状已经失败了。
Dark energy's true nature remains a mystery. Theoretical attempts to account for its observed properties have foundered.
注意：和事务性状态对象一样，DB2 实现了声明式的全局临时表。
Note: In contrast, DB2 has implemented declared global temporary tables as transactional state objects.
另外发现父亲不在场对男孩非认知性状影响会比女孩大，尽管这种调查还不太健全。
It also appears that the absence of fathers has a greater effect on the non-cognitive traits of sons than daughters, although that is a less well-established finding.
比如人类胚胎会发育出腮、蹼足和退化的尾巴，映现出远古水生生物的性状。
Human embryos, for instance, develop, then lose, gills, webbed feet and rudimentary tails, reflecting their ancient aquatic life styles.
比如人类胚胎会发育出腮、蹼足和退化的尾巴，映现出远古水生生物的性状。
Human embryos, for instance, develop, then lose, gills, webbed feet and rudimentary tails, reflecting their ancient aquatic life styles.
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