[网络] 灰白杜鹃

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(138) / 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(150) / 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(133) / 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(163) / 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(134) / 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(177) / 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(146) / 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(119) / 评论(0) 分类 基因外遗传现象

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发表于:2018-12-31 / 阅读(260) / 评论(0) 分类 高翔BECV中级培训

Yakima is a small city located an hour and a half's drive(1) from Wenatchee. It is a wide valley, famous for its grapes and apples. We were there last weekend for a baseball tournament, the first of the season(2). One interesting fact about Yakima is

发表于:2019-01-01 / 阅读(177) / 评论(0) 分类 英语博客 A cup of English

Olov Bygren was looking to see if poor nutrition had an effect on health when he stumbled on something curious. It appeared that a famine could affect people almost 100 years later even if they never

发表于:2019-01-02 / 阅读(113) / 评论(0) 分类 基因外遗传现象

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(164) / 评论(0) 分类 基因外遗传现象

They discovered that when a famine was able to trigger an effect was different for the grandmother than the grandfather. The grandmother appeared susceptible while she herself was still in the womb, w

发表于:2019-01-02 / 阅读(144) / 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(136) / 评论(0) 分类 基因外遗传现象

THIS IS AMERICA - White Sands National Monument: A Wonder of Nature, in New Mexico By Shelley Gollust Broadcast: Monday, September 19, 2005 (MUSIC) ANNOUNCER: Welcome to THIS IS AMERICA IN VOA Special

发表于:2019-01-02 / 阅读(213) / 评论(0) 分类 This is America

The US economy continues to recover from the tech bubble burst of 2000. But there're certainly many people still left behind. Long-term unemployment which is defined as being out of work for 27 weeks is at record levels. And within that group,the per

发表于:2019-01-08 / 阅读(324) / 评论(0) 分类 2005年NPR美国国家公共电台

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(175) / 评论(0) 分类 英语杂谈

An estimated 20 percent of the population has trouble working with numbers. That's as many as one person in five with some sort of numerical disability. The British researchers are exploring ways to stimulate the brain to improve the ability to under

发表于:2019-01-14 / 阅读(164) / 评论(0) 分类 VOA标准英语2010年(十一)月

DAVID GREENE, HOST: All right. So genetic tests can help you explore your heritage, but can your DNA also tell you what diet is best for you? NPR's Allison Aubrey asked that question. ALLISON AUBREY, BYLINE: If you're curious about personalized nutri

发表于:2019-01-16 / 阅读(108) / 评论(0) 分类 2018年NPR美国国家公共电台1月

BEIJING, Aug. 5 (Xinhuanet) -- A study conducted by Israeli researchers at the Albert Einstein College of Medicine in New York shows that genes, rather than good eating and lifestyle habits, determine longevity, according to media reports Friday. Thi

发表于:2019-02-26 / 阅读(167) / 评论(0) 分类 英语新闻
学英语单词
aerological ascent
aligning torque coefficient
Aschamalmite
ast
atrioventricular node
Beth-le-Aphrah
bhatinda (bathinda)
bioscientist
bivariate hypergeometric distribution
black acre
blue acara
Blueberry R.
book of orginal entry
carbon reduced
Castellazzo Bormida
chemical proof floor
chromaphil cells
come down with
corydalis sempervirenss
creeden
creep rupture strength testing machine
critical withstand current
crown of ballast
cuprous benzoate
current-costs
cylinder carrier hay loader
depot fat
desexing
duck-arsed
elils
emailresponsetoreferral
EXORCISO
extremely high frequency (ehf)
failure breaking
family potamogetonaceaes
folded table
freeze-frameds
Ganseong
garberville
gweipor
heliocentric coordinate system
hot surface ignition
I-shape construction
Imjingang
infectious pustular vulvovaginitis (ipv)
interministerial information
intradermal nevus
ivda
low-spin
lunchery
LYNEF
magnetically anisotropic group
male-ominous
mercurial soap
micrococcus lactis viscosus
mill foil
mine compensating tank
moral community
non-woven cloth
NOR output
nothern range
nuvaring
Oblomovitis
olje
orthopnoeae
ortyognathism
pelagi-
perquisitive
petrous bone
polar wind divide
progressive muscle dystrophy
project financing
ptyalagogue
qcds
railway car ferry
rarefaction wave
regulation of constant-current transformer
residency
roquefort cheese
sample survival function
sealed head
search index
self fractionating
self-exciting braking
speakings
Sulcus venae subclaviae
supertensors
surrunde
tibionavicular
toora
tritium breeding
type-identity theory of psychological states
unblocked record
universal test
unsounder
voltage drop in the arc column
vromitra acuminata
W/O/W
waist-trimming machine
weteri
work region
yarn-flocking process