复基因

Marcus Pembrey is one of a select band of scientists, a band of scientists who are daring to challenge an orthodoxy . They believe the lives of our parents, grandparents, and even our great grandparen

发表于:2018-12-07 / 阅读(246) / 评论(0) 分类 基因外遗传现象

No body had had seen this kind of thing before, so this was the first time and all the people looking at the gel and saying

发表于:2018-12-07 / 阅读(233) / 评论(0) 分类 基因外遗传现象

After we had seen how relatively easy it was to change the switches in mouse embryos, we thought that perhaps the same could be true of human embryos. In IVF, you also have the embryo for a brief peri

发表于:2018-12-07 / 阅读(237) / 评论(0) 分类 基因外遗传现象

If inheritance was not just about DNA, if these gene switches were so important, just what could turn them on or off? Stephanie and Emend Mullins have two children, Karen and Charlotte. When we were t

发表于:2018-12-07 / 阅读(238) / 评论(0) 分类 基因外遗传现象

It showed that there was clearly more to inheritance than simply the coded sequence of DNA. We then realized that we were dealing with what is now known as genomic imprinting. What genomic imprinting

发表于:2018-12-07 / 阅读(223) / 评论(0) 分类 基因外遗传现象

...lead to the end of diseases like cancer... Alzheimer's , Parkinson's , diabetes. The list is endless. We were thinking of genes in a very mechanical way. We were thinking of them just in terms of t

发表于:2018-12-07 / 阅读(267) / 评论(0) 分类 基因外遗传现象

Named after Henry Angelman, the pediatrician who first described Angelman syndrome. He referred to them as happy puppet children because it described, to some extent, the features. They have a rather

发表于:2018-12-07 / 阅读(247) / 评论(0) 分类 基因外遗传现象

We are on the brink of uncovering a hidden world, a world that connects past and future generations in ways we never imagined possible. What this means is an environmental exposure that your grandmoth

发表于:2018-12-07 / 阅读(189) / 评论(0) 分类 基因外遗传现象

DNA Points to Multiple Migrations into the Americas 美洲多次殖民迁移之谜 For more than ten thousand years, Alaska Native and Canadian First Nations people have lived along the Northwest coast of North America. Now, ancient remains have prov

发表于:2018-12-24 / 阅读(235) / 评论(0) 分类 2017年Scientific American(六)月

Our studies had really convinced me that it were the later experiences of the child as the child was growing up bombarded with years and years of, em, symptoms from the parents that accounted for the

发表于:2019-01-02 / 阅读(276) / 评论(0) 分类 基因外遗传现象

The impact of a famine being captured by the genes in the eggs and sperm, and a memory of this event was being carried forward to affect the grandchildren, generations later. We are changing the view

发表于:2019-01-02 / 阅读(232) / 评论(0) 分类 基因外遗传现象

It's certainly apparent to everyone whether you are a citizen of Japan or you reside in China that the emerging superpower here in Asia is absolutely China. And so..that given of the reason why weve heard Prime Minister Hatoyama mentioned multiple ti

发表于:2019-01-07 / 阅读(258) / 评论(0) 分类 cnn2009年(十一)月

Vicious weather in the southern plains. Two deadly tornadoes swirling in unison in southern Oklahoma. All of it caught on tape. There comes one right there. Look at them. They are all over. As you can hear, storm chasers were only reporters because i

发表于:2019-01-08 / 阅读(346) / 评论(0) 分类 CNN2010年(五)月

序号 中 文 英 文 术语解释 缩写 来源 41 OADM公共控制信道 ODAM Common Control Channel OCCCH 42 正交信道噪声仿真器 Orthogonal Channel Noise Simulator OCNS 43 操作员确定闭

发表于:2019-01-08 / 阅读(292) / 评论(0) 分类 电信英语

Some bacteria have adapted to super cold environments for millions of years. And scientists have isolated some of the essential genes that allow bacteria to tolerate their harsh living conditionsbecause these same genes might help in the creation of

发表于:2019-01-11 / 阅读(311) / 评论(0) 分类 英语杂谈

AS IT IS 2016-01-12 Starving Syrians to Receive UN Aid, Food 叙利亚饥民将获得联合国援助的食物 Fighting in Syria was paused to allow United Nations aid and food to reach the towns of Madaya, Foua and Kefraya. 在叙利亚的战斗暂时停

发表于:2019-01-12 / 阅读(269) / 评论(0) 分类 2016年VOA慢速英语(一)月

Scientists Discover Gene Responsible for Multiple Sclerosis 科学家发现导致多发性硬化症基因 From VOA Learning English, this is the Health Lifestyle report. VOA英语学习健康与生活方式报道。 An estimated two million people ar

发表于:2019-01-12 / 阅读(236) / 评论(0) 分类 2016年VOA慢速英语(六)月

British scientists have found a drug used to fight leukemia that appears to stop multiple sclerosis in its early stages and restore lost function to patients. Although still in the clinical trial phase, it is being called by some, the most promising

发表于:2019-01-13 / 阅读(271) / 评论(0) 分类 VOA标准英语2008年(十月)

日本富士通实验室的研究人员开发了一种无线充电系统,可同时给一定范围内的手机、数码相机及手提电脑等各种移动设备充电,无需使用电缆。该系统最早可于2012年正式推出使用。该系统被

发表于:2019-01-19 / 阅读(339) / 评论(0) 分类 阅读空间

By Anjana Pasricha New Delhi 28 April 2008 India has launched a record number of satellites into space in a single mission. The launch marks a milestone for the country's space program. Anjana Pasricha reports from New Delhi, India wants to emerge as

发表于:2019-01-31 / 阅读(303) / 评论(0) 分类 VOA常速英语2008年(四月)
学英语单词
aggiutinating property
all-embracing fiscal policy
Armsheim
Ashin
atomic hydrogen maser
beefcurtain
berry juice extractor
bestick
biocharacteristics
bleezing
boron filnment
breakmark
bynamed
ccd
characteristic function of probability distribution
cmasculation
conjugate standard square
cooling tower with droplet-film-type packings
corpusanse
cosmic abundance of elements
cross unfruitful
cut down first cost
double-skinned
efflux equation
Einthoven's formula
Eiru, R.
emerita
equilibrium return
espinazo
estimated loss from sale
export intensive industry
external double bond
eyes like yours
Fastiv
fire and marine insurance
formatting output specification instance
free-air tunnel
free-ballin'
Garda Lake
genus pomacanthuss
governed economy
gummi pertscha
Huisaek-pong
i came
iconic models
ilyocypris salebrosa
immaterialise
interval of time
islet cell hyperplasia
jonquil oil
Keldah
Kurchatov Seamount
leucaaemoid
limited slewing floating crane
lyma
maize starch gum
mechanism of roasting reaction
methyl jasmonate
midship mounting
negative A-ignore-B gate
one world broadcasting trust
oral glucose
pachygrapsus planifrions
pan-americana
periodic reverse plating
permanent hoist
picture taking machine
powerful will
primary hydrocarbon reservoir
prior patient location
resolvings
rictuss
rotating wire rope
rusbridger
sapir-whorf
sea-kayak
semiwhite glass
set up an account
shadow pole
sharkin'
shrink-ring
Siebold's organ
solid lube
sound source strength
spectrum atlas
specular reflection factor
straightforward procedure
synchondroseotomy
table of investigation
taste blood
Thietmar
tozalinone
transceiver cable
traumatotherapy
Tsipras
twin-finned layout
unprovides
valid bit
vantishable
vaws-cornice
wave number vector
zonularly