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(194) / 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(195) / 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(192) / 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(208) / 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(174) / 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(226) / 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(185) / 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(160) / 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(212) / 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(195) / 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(314) / 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(223) / 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(186) / 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(193) / 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(242) / 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(167) / 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(185) / 评论(0) 分类 VOA标准英语2015年(二月)

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发表于:2019-01-26 / 阅读(196) / 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(415) / 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(287) / 评论(0) 分类 音乐咖啡厅
学英语单词
'come
a little while back
a.i.a
accounts receivable file
acnefonn
affinity ultrafiltration
Agapetes discolor
aggressivity
all-rowlock wall
AUCHENIPTERIDAE
Bazré
black wattle extract
broncho-esophagoscopic forceps
bronzite amphibolite
bursa-equivalent
canons of judicial ethics
caper sauce
carbon dioxide-free water
centrifugal casting method
cleat in coal
comptes rendus
cyclic dyadic
cyclopolycondensation reaction
deceyt
Dentinoenamel
discovers
distemperest
dompt
Erne, River
external commercial policy
external output record
ferromanganic
field of rational numbers
firestick farming
food nutrition analysis
genus Ligustrum
glaphyra watani
graphite natural
grid interval
guatamundi
Hogne
holotyphlon
hotoscanning
in the building
independent catalogue
isolated ripple
labour of private individuals
lack-lustre
like watching paint dry
limited life trust
lonely hearts
luminies
management responsibilities
Mbarika
mellitene
mobile work shop
mother-in-law research
net worth turnover ratio
nodi lymphatici precaecales
nonmolybdenum
nontraceable
olowokandi
one's sun is rising
open door
operational exchange rate
own-branders
Paterson Inlet
penujak
photocopier
physiological states
pithoviruses
prestes
professional player
radial eminence of the wrist
raramuri
ready-to-run
recoupling
regulate and control
Rositsa
rubber follower for balance piston
screw housing clearance
separator well
single density
skywagons
sneerily
socket 8
Spring-Bak
starring sheet
superimposed current
temporizations
The Ranking of Claims
thick-film integrated circuit
tip sheets
torque tube flange
Transmission system.
transverse foramen
Udotea
underlying group
underlying retention
way off
work something in
Xuyen Moc