[遗] 修饰基因
变更基因

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(118) / 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(133) / 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(114) / 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(148) / 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(120) / 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(154) / 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(127) / 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(98) / 评论(0) 分类 基因外遗传现象

pie?in?the?sky画饼充饥 英文释义 A?bright?and?attractive?but?improbable?orunrealistic?reward. (NOTE:?hyphenated?when?usedas?a?modifier?before?a?noun) 例句 EXAMPLE:?The?new?company?president?told?the?unhappy?employees?that?everything?would?be

发表于:2018-12-12 / 阅读(87) / 评论(0) 分类 每日商务英语

The 1995 film Dead Man has a strange opening scene. Actor Johnny Depp is sitting on a train. A man sits down across from Depps character, and speaks to him: Look out the window. And doesn't this remind you of when you were in the boat, and then later

发表于:2018-12-18 / 阅读(93) / 评论(0) 分类 2017年VOA慢速英语(十)月

Having robbed the bank in record time, it was possible to make off with the town's chocolate rabbit as well. 在飞速洗劫了银行之后,还能偷走镇上的巧克力兔子。 The modifying phrase in this sentence seems unrelated to anything el

发表于:2018-12-18 / 阅读(100) / 评论(0) 分类 TED演讲教育篇

Grammar Girl here. Today, guest-writer Bonnie Trenga helps us understand modifiers that come at the beginning of a sentence. Bonnie says, As a guest-writer, I plan to talk about two kinds of troublesome modifiers that begin a sentence. Like many of y

发表于:2019-01-02 / 阅读(143) / 评论(0) 分类 英语语法 Grammar Girl

Todays episode concerns a what-you-may-have-been-wondering-about topic. That sure was a mouthful, and it illustrates the problem of stacked modifiers, which occurs when you string together too many words to describe a noun at the end of the mouthful.

发表于:2019-01-02 / 阅读(138) / 评论(0) 分类 英语语法 Grammar Girl

Grammar Girl here. Today's topic is how a verb and an adverb messed up the inauguration. I took a break from work Tuesday to watch Barack Obama's inauguration, and like millions of other people, I saw a bit of confusion between Chief Justice John Rob

发表于:2019-01-02 / 阅读(166) / 评论(0) 分类 英语语法 Grammar Girl

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(151) / 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(123) / 评论(0) 分类 基因外遗传现象

Grammar Girl here. Today guest-writer Bonnie Trenga is going to help us take a break from serious grammar and instead delve into the world of comedysome intentional, some not. Groucho Marx said it best: One morning I shot an elephant in my pajamas. H

发表于:2019-01-07 / 阅读(162) / 评论(0) 分类 英语语法 Grammar Girl

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(157) / 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(91) / 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(144) / 评论(0) 分类 英语新闻
学英语单词
access site
adiantum capillus-veneriss
AEC system
automatic dryer
AY62013
bank the cupola
binary output
biochemy
canonicus
capacity of returns to husker
catastrophic stress
center plane
changeover valve
cnidoblast
code list of words
combined feed
command reference
condonate
crakes
dbx
digital media controller
disposal of donated shares
dtmospheric pipe
Duragan
edge following
edge leakage current
Elaeagnus yunnanensis
emitter-controlled oscillator
encaptivates
end reading
excons
fadeup
feedback circuits
final flowsheet
fine measuring instrument
fine sieve
flato
folcinis
Gephuroceratidae
glutathione-insulin transhydrogenase
heartless
high barrel pressure primer
hinge skin flap
hot aggregate elevator
huipiles
Indicatoridae
intactivists
intermediate bath
laithe-houses
Lichina
low energy over-current relay (lco)
luminous quantities
magnetic link
malaxating
malo-lactic fermentation
material test
mechanical pile press machine
mobile crushing plant
monsoon season
mooselike
motherfucking
muzenda
natural uranium reactor
nitroblues
nonfascist
oleoperitoneography
overreaction
own me
peach melbas
perfect prognosis method
pharyngo
photofragment
physiochemistry
piddocks
powerball
practise what one preaches
presence of animal life in a forest
quercus rubras
reac
relative periodic movement
sebaceous duct
secondary discharge
sentai
Sessinia
shadow weathering
softness of lithosphere
source of voltage
stock yard
take a shot at
tatshenshini
teapot domes
Tempio Pausania
thermometric liquid
thorium fuel
tone signalling
tree and branch
undisturbed differential equation
unpostmarked
unsound
usea peroxide
winter over
zone refining