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(134) / 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(143) / 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(127) / 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(158) / 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(129) / 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(167) / 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(140) / 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(111) / 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(105) / 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(109) / 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(157) / 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(139) / 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(131) / 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(184) / 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(171) / 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(101) / 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(127) / 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(184) / 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(247) / 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(158) / 评论(0) 分类 英语新闻
学英语单词
Abens
academic advisor
acid anthracene brown dyes
Acticort
ACTN
air rudder
Amharics
angareb
anti-bias
append link
arteriae interossea recurrens
ARVN
balance plunger
benzol refining
bohne
bonding spots
boundary treaty
call the attention of to
Cangombe
cell reference
channel reversal
circular disk source
cobalt(ii) orthophosphate
Cottonian
cystogram
domical vault
dwarf bean
eBGP
economic barometer
end stone
Euptelea pleiosperma
exophthalmotropic hormone
explosiveness
family brevicipitidaes
fenusa pusillas
fieldmouse
filing time
financial reimbursement
flanged bearing
floor type furnace charger
force of production
fuel transfer tube drying space
generalness
genus poephilas
guiding principles
Hammah
horizontal ladder
Hypsoblennius
identically false
indentured servants
intestinal ciliates
koblitz
label(l)ed particle
lidie
mail storage belt conveyor
marsupiums
method of three standard samples
monthly nurse
multiple line controller
Ni-trosolobus
noirishness
nursery areas
omnivorous insect
optimal task schedule
order of an intermodulation
override throttle setting
panselectionist
paper gasket
pcanywhere
pecora
plead ignorance
portative force
Primula youngeriana
program editor
public prosecution
remain in bed
rhizophagous
rhopyranose
shark-fin hydrophone
shevats
sickle cell-thalassemia disease
sightseeings
skitch
Snape
St-Juéry
STABEX fund
Stand and P & I Club
stecometer
subcutaneous muscular contusion
tetouans
thermoflask
three-lips
thrust plunger
tossahs
Tumen Jiang (Tumangang)
unforaged
us ta
Valea Sǎrii
valproic acid
videocon
Webster Groves
wormholed