自交不亲和性基因

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(168) / 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(172) / 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(175) / 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(188) / 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(158) / 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(207) / 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(168) / 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(145) / 评论(0) 分类 基因外遗传现象

-Personally, I think that, the meaning of marriage has changed. I think that marriage was one thing of we had to do because we were dependent on a man's take care of us. Then there was an expectancy thing, I graduated school, I gotta get married. And

发表于:2018-12-11 / 阅读(137) / 评论(0) 分类 访谈录2010

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(139) / 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(191) / 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(172) / 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(163) / 评论(0) 分类 基因外遗传现象

The work of these scientists is at last throwing a spotlight onto the mysterious hidden world of epigenetics. They appear to show that the lives of our ancestors have a capacity to affect us directly.

发表于:2019-01-02 / 阅读(237) / 评论(0) 分类 基因外遗传现象

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(209) / 评论(0) 分类 英语杂谈

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(133) / 评论(0) 分类 2018年NPR美国国家公共电台1月

RACHEL MARTIN, HOST: Chances are you have seen an ad for a test to find out about your ancestry. Maybe you got a kit for Christmas, and now you're waiting for your results. So what do you need to know when you open these results? Health editor Gisele

发表于:2019-01-16 / 阅读(159) / 评论(0) 分类 2018年NPR美国国家公共电台1月

By Sabina Castelfranco Rome 16 September 2006 The Vatican said Saturday Pope Benedict sincerely regrets that his words offended Muslim sensibilities. The Muslim world reacted angrily to a speech by the pope to academics in Germany in which he referr

发表于:2019-01-31 / 阅读(215) / 评论(0) 分类 2006年VOA标准英语(九月)

访谈录,高清电视,选购,指南,We are at the Georgia Home Theater in Atlanta and if you are in the market for a new high definition or HDTV, it's easy to get overwhelmed by the letters and the numbers in the sales picture, so we ar

发表于:2019-02-03 / 阅读(275) / 评论(0) 分类 访谈录

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(211) / 评论(0) 分类 英语新闻
学英语单词
actinulae
admissions procedure
alelopodia
antioxidant carrier
arguss
artificial gasoline
as thick as herrings in a barrel
Aspasia
Bol'shoy Cheremshan
breast lift
buck the trend
bulletized
chlc
Clarke's bundle
cluster-type diamond dressing
corase oil screen
core of personality
cost budgeting
Coylumbridge
depot-secretin
dickel
diheptyl
dispersive process
dital harp
existing equipment
fan-out branch
feeding pump
forest-industry
fuzzy field
Gagne's hierarchy of learning
genus Amphisbaena
gladdening
goombays
gyrosigma scalproides
hemagglutin ationinhibition
hold down bearing
inelastic bending
infection tube
inheritage
inner bodies
Intraval
isodensity equilibrium sedimentation
jochem
Khong
Kulundinskaya Step'
lariviere
Launton
leaf water potential
Ledoux beel meter
loose smut of barley
marine sextant
median of a triangle
mesothelium
meteored
mfd.
minimum naturale
musculations
Nuri, Tk
obscuruss
open compute
os1
pancreoprivic
phase stability
phone-size
pictorial flying computer
pitching moment of inertia of sprung mass
planing speed
plug to reverse controller
pollution,contamination
portable clearing saw
prends
rectilinear trend
relays and switches
rhomboid
Rosa banksia
screenshot
Semipelagians
setipafant
short-line fault breaking
slagfests
slippery fur
Son Duong
steerage mess
streaming stick
swallets
theater air material area
through and throughs
tight silo
tobian
tray ceiling
trono
ultra-light rail
uncleanlier
under-the-hood
vane-control fan
velocity potential
volatilization method
vondelparks
washing liquor exhaust pipe
wood chipper
wox
Zamojski