个体间共有[的]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(171) / 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(175) / 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(176) / 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(190) / 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(160) / 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(212) / 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(169) / 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(146) / 评论(0) 分类 基因外遗传现象

You may have heard that humans and chimpanzees have something like 96 percent of our DNA in common. So why, then, are diseases like cancer so common in humans but so rare in chimps? If our DNA is nearly identical, shouldnt we be at risk for many of t

发表于:2018-12-28 / 阅读(190) / 评论(0) 分类 初学者听力文摘精选

加拿大广播公司:研究发现,跟陌生人相比我们与朋友之间的基因更为相似,这一发现为物以类聚,人以群分的说法提供了新的佐证.遗传学家发现,无血缘关系的朋友之间有百分之一的基因是相似的

发表于:2019-01-01 / 阅读(168) / 评论(0) 分类 双语趣听精彩世界

Twins by Richard Sidaway What do the singer Alanis Morissette, the supermodel Gisele Bundchen and the ex-Secretary General of the United Nations Kofi Annan all have in common? The answer is, they all have a brother or sister who was born on the same

发表于:2019-01-02 / 阅读(295) / 评论(0) 分类 英语音频杂志

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(196) / 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(169) / 评论(0) 分类 基因外遗传现象

SCIENCE IN THE NEWS - Is the Human Brain Still Evolving? Some Scientists Think So By Katherine Gypson, George Grow and Dana Demange Broadcast: Tuesday, November 01, 2005 (MUSIC) VOICE ONE: This is SCI

发表于:2019-01-02 / 阅读(169) / 评论(0) 分类 科技之光

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(215) / 评论(0) 分类 英语杂谈

Researchers Remember Discovery of Lucy Skeleton 研究人员回忆发现露西骨架始末 It has been more than 40 years since the discovery of the early human skeleton named Lucy. The old bones were found in Ethiopia. Lucy is one of the most famous

发表于:2019-01-12 / 阅读(145) / 评论(0) 分类 2015年VOA慢速英语(二)月

Discovery of Lucy Skeleton Continues to be Relevant 研究者回忆露西骨架的发现 LOS ANGELES It has been more than 40 years since the discovery in Ethiopia of the early human skeleton named Lucy. She is one of the most famous finds of the 20t

发表于:2019-01-14 / 阅读(171) / 评论(0) 分类 VOA标准英语2015年(二月)

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2019-01-26 / 阅读(180) / 评论(0) 分类 英语单词荟萃

HEALTH REPORT - Cancer Survival Rates Up in U.S. By Cynthia Kirk Broadcast: Wednesday, January 26, 2005 25 Jan 2005, 23:06 UTC I'm Phoebe Zimmerman with the VOA Special English Health Report. The Amer

发表于:2019-01-30 / 阅读(393) / 评论(0) 分类 健康与经济

音乐咖啡厅:Justin Bieber - Common denominator 相关介绍:My World是少年歌手贾斯汀比伯(Justin Bieber)的个人首张专辑,将于11月17日发行。年仅15岁的贾斯汀比伯(Justin Bieber)来自加拿大,是由Usher一手捧红

发表于:2019-02-06 / 阅读(264) / 评论(0) 分类 音乐咖啡厅
学英语单词
?-hydroxysteroid
acoustic control and telemetry system
asplenium wrightii
avarone
balloon flowers
baritone hornists
beatus
benzil alcohol
Bien Hoa
Birkenhead drill
branch-and-bound algorithm
carriage mark
child-self
Chinese littleleaf box wood carving
cockle stairs
copper-chloride laser
craft neurosis
cubic closest packing
data coding system
departizanize
dermatomyces
dislodgeable
drinkie-pie
drug deals
Drum Hills
dune-buggied
effective mass factor
Elk Falls
envelope noise
ergulating characteristic
ethyl tin
excretion vesicles
faster exciter
fissionable
flag-fall
flyby, fly-bys
fretfully
grainland
haotians
have no concern for
hercules graphics
hippopotamuslike
hoth
hypogenesis
incolas
induction disc type relay
inner complex
interest of public loans
interofficed
jump down one's throat
ketobutyrate
limonia (geranomyia) unifilosa
mandruka
McNair
Mella, Fiume
micropressure
misfong
mobileless
mooring dog
Mugombe
naphthoamide
negative friction pile
network hum
non oxygen flux
optical cable communication system
physical base
Pinard
poison seta
postcareer
prooemium
pulp liquor
rail-mill
reduce price without change of quality
requarrel
Rockwell hardness penetrator
rotation of maximum volume production
scheme drawing
screw rolling
seawaters
sell away
set - up time
set no store by
sharpness definition
simple algebra
smallflower European birdcherry
sonoma
speedtainer system
steering clutch lining
supernumerary muscle
sylene
syncerebrum
tabanus fulvicinctus
topophone
topozone
tuberculous tenosynovitis
turret flap
unexacted
untutored
water-extended polyester (WEP)
wireless-broadband
Wolfdietrich
working routine library