Such endoreduplication provides a mechanism for producing extra gene copies.
这种内复制提供了产生额外的基因复制的机理。
By deleting the enzyme-producing gene, the scientists believe that they caused the female mice to be exposed to extra oestrogen, by preventing their brains from filtering out the hormone.
通过敲除这种能够产生酶的基因，科学家认为他们可以通过阻止雌性老鼠大脑过滤掉激素，使雌性老鼠受到额外的雌激素的影响。
Mice bred to have extra copies of the rogue gene were healthy but ate more and became heavier than normal rodents.
经培养带有多余流氓基因的老鼠很健康，但是比正常老鼠吃得多，也更重。
People who live in agrarian societies eat more starch and have extra copies of the amylase gene compared with people who live in societies that depend on hunting or fishing.
生活在农业社会的人们吃更多的淀粉，比生活在狩猎或渔猎社会的人们有更多份数的淀粉酶基因。
But just having extra copies doesn't mean the gene is evolutionarily important.
但是，仅仅多了一个基因的副本不能说明它在演化过程中有多重要。
They never give Gene any credit for all the extra work he does.
他们从不为…。所作的额外工作而给与表扬。
The mitochondrial gene encoding subunit I of cytochrome oxidase (COI) possesses some extra characteristics which make it particularly suitable as a molecular marker for evolutionary studies.
编码细胞色素氧化酶I亚单位（COI）的线粒体基因拥有一些额外的使其尤为适合作为进化研究分子标志的特性。
Approaches being tried include deriving fiber from the milk of transgenic goats with an extra spider-silk gene and adapting silk produced by other insects, such as silkworms.
正在尝试中的方法包括从具有额外蜘蛛丝基因的转基因山羊的山羊奶中获得纤维和改造例如蚕这样其它昆虫的丝。
When scientists genetically engineered mice to express this gene. they were able to stay awake for an extra of 1.2 hours than normal mice.
当科学家修改老鼠基因使其表达这一特性后，这种老鼠可比普通老鼠多清醒1.2小时。
In aggressive gliomas, extra copies of the EGFR gene are produced, and half of such tumors also carry an EGFR mutation, which ramps up tumor growth and portends a poor prognosis.
在侵袭性脑胶质瘤中，表皮生长因子受体基因拷贝数更高，而且一半的侵袭性脑胶质瘤伴有一个GEFR突变。这个突变增加了肿瘤的生长，伴随一个糟糕的预后效果。
They eventually located a number of variants located near a gene called TERC which, in people carrying them, seemed to be equivalent to an extra three or four years of "biological ageing".
他们最终发现与生物衰老过程相关的基因变异位于一个名为TERC的基因附近。带有这种 基因的人类，要比普通人早三到四年进入“生物衰老期”。
They eventually located a number of variants located near a gene called TERC which, in people carrying them, seemed to be equivalent to an extra three or four years of "biological ageing".
他们最终发现与生物衰老过程相关的基因变异位于一个名为TERC的基因附近。带有这种 基因的人类，要比普通人早三到四年进入“生物衰老期”。
应用推荐