《美国老年医学会杂志》上发表的一项新研究通过考察246名孩子的性格特征研究了这个问题，这些孩子都是100岁以上老人的后代。
A new study in the Journal of the American Geriatrics Society looked at this question by examining the personality characteristics of 246 children of people who had lived to be at least 100.
这项研究的目的是探讨后代惯例对中老年妇女健康观念的影响。
The purpose of this study was to explore the Influences of progeniture convention on middle-aged and elderly woman's health concepts.
本研究表明，香菇双单杂交后代是同质异核体。
This study indicate that di-mon mating hybrids are homogenous heterokaryons in Lentinula edodes.
在一些研究中我们做过一个有趣的观察：乙肝病毒影响后代的性别比例。
There is a curious observation which we have made in several studies that the virus affects the gender ratio of offspring.
许多研究已经表明，如果母亲的饮食不健康并且有肥胖问题，那么其后代的新陈代谢也会异常，并且出现肥胖的可能性也会增大。
Ample research has been done showing that if a mother's diet is poor and she is obese, this can damage her offspring's metabolism and increase their risk of obesity.
这些动物研究表明父亲的大脑与其后代的大脑有显著并完美的密切关联。
These animal studies show that a father's brain is significantly and beautifully intertwined with his offspring's.
该研究对即将组成夫妻的年轻人以及他们的后代有一定意义。
The research could have implications for future spouses as well as their offspring.
根据费奇的研究，这些受训老鼠后代的记忆力优势数月就会消失。
In Feig's study, the offspring of enriched mice lost their memory benefits after a few months.
最新研究显示，蚊子对常用的驱蚊剂——驱蚊胺（DEET）的不敏感性能够通过基因传递给子孙后代。
Mosquitoes that have an insensitivity to the popular bug repellent DEET can pass that genetic trait on to their offspring, new research shows.
但是，根据《进化》杂志刊登的一项研究，城市生活也可影响人类基因，使得古城居民的后代对疾病更具抵抗力。
But urban life may have also influenced human genes, making the descendants of ancient city dwellers more resistant to disease. That's according to a study in the journal Evolution.
研究人员同时检测了得到热量控制的母体产下的卵，它的过氧化氢酶浓度较高，所以这可能是这些后代与生俱来的。
The researchers also detected higher levels of the enzyme in the eggs of calorie-restricted mothers, so it could be that their offspring are simply endowed with the stuff.
这项研究表明，喜欢跑步的小鼠繁殖后代也喜欢跑步，这表明年幼的小鼠遗传了活动水平高的特征。
Their study showed that mice bred to enjoy running produce offspring that also like it, showing that the baby mice had inherited the trait of high activity.
他承认，该项研究由于涉及可以会遗传给后代的基因改变，的确具有争议性。
He accepted the research was controversial because it involved making the genetic changes that could be passed down generations.
此研究的主要结论表明：鼠妈早期获得的喂养条件影响他们后代的行为方式。
The study's main findings showed that the early treatment of the mothers impacted their offspring behavior.
有研究表明：妊娠期间接受胆碱含量四倍于正常水平的膳食，确实能够防止其后代老年后的记忆力衰退。
Studies have shown that a diet with four times the normal amount of choline during pregnancy can actually prevent memory decline in offspring as they reach old age.
由国际科学家组成的一支研究小组发现，所有北极熊都是一种雌性棕熊的后代。
Research by an international team of scientists has found that all polar bears descend from a single female brown bear.
研究者说，他们检测到了这些从布什曼人的直系后代中遗传下来的绝大多数基因变体。
Most of the many variations detected in their genomes were acquired after they branched off from the main lineage, the researchers said.
过去的实验告诉我们通过选择性的繁殖促使生成后代具有更好的学习能力是比较容易的，比如大鼠，蜜蜂，以及研究者钟爱的果蝇。
Past experiments have demonstrated that it is relatively easy through selective breeding to make rats, honey bees and—that great favourite of researchers—fruit flies a lot better at learning.
将DNA技术用于分析粪便样本，使我们能够第一次确认许多黑猩猩父亲的身份，进而研究雄猩猩与其后代的关系。
By using DNA analysis of fecal samples, we can for the first time determine the paternity of many of the chimps, allowing us to examine the relationships between males and their offspring.
为了研究原因，剑桥大学鲁弗斯•约翰斯通利用计算机模型预测抚养后代的益处。
To study why this is so, Rufus Johnstone of the University of Cambridge used computer models to estimate the benefit of helping groupmates.
其中部分研究确实发现大脑恢复能力的提高及与其相关的记忆力的增强可以遗传给后代。
Indeed, one of the studies found that a boost in the brain's ability to rewire itself and a corresponding improvement in memory could be passed on.
这项研究表明，喜欢跑步的小鼠繁殖后代也喜欢跑步，这表明年幼的小鼠遗传了活动水平高的特征。
Their study showed that mice bred to enjoy running produce offspring that also like it, showing that the baby mice had inherited the trait of high activity。
据他们的研究，无论是伊达还是Afradapis都没有后代，这意味着他们在进化树分支的末端已经灭绝了。
According to their study, neither Ida nor Afradapis have any living descendants, meaning they became extinct at the end of a sidebranch of the evolutionary tree.
新西兰鳄蜥就面临着这种孤独而又可怕的命运。一个新的研究表明，随着温度持续上升，这个濒临灭绝的爬行类动物到2085年时生育的后代可能都将是雄性。
With rising temperatures, this endangered reptile could produce all male offspring by 2085, guaranteeing its extinction, a new study finds.
此外，科学家们一直认为鸟类是某些恐龙的后代，上述研究结果也让戴尔博士提出了一个堪称新奇的假说。
Almost as an aside, the study of birds - which are widely believed to be descendants of some dinosaurs - has led Dr. Dial to a novel hypothesis.
举例说明，在2003年，一个科研小组的成员通过研究竹节虫的翅膀发现：竹节虫的共同祖先是有翅膀的，但是其中一些后代逐渐失去了翅膀。
In 2003, for example, a team of scientists studied wings on stick insects. They found that the insects' common ancestor had wings, but some of its descendants lost them.
但布朗的研究表明，在某些地区的人口中，贝特曼的研究——尤其是后代方面的发现——并不一定正确。
But Brown's research shows that in some populations, Bateman's work - in particular, his findings regarding offspring - doesn't necessarily hold true.
两项研究都指向一个方向：母亲的体重影响其后代体重。
Both studies pointed to one direction: mothers' body weight affected their offspring's weight.
他们子孙后代的人力资本（技能等）将取决于今天的教育和研究的投入。
Their children's human capital (skills and so forth) will depend on investment in education and research today.
他们子孙后代的人力资本（技能等）将取决于今天的教育和研究的投入。
Their children's human capital (skills and so forth) will depend on investment in education and research today.
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