n. 超基因

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(406) / 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(379) / 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(379) / 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(392) / 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(363) / 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(415) / 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(394) / 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(319) / 评论(0) 分类 基因外遗传现象

This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 Scientists have worked for twelve years to develop what they call Green Super Rice. They say several varieties should be available to farmers about t

发表于:2018-12-16 / 阅读(364) / 评论(0) 分类 2011年VOA慢速英语(二)月

Unit 53 Fast-food Culture Serves up Super-size Americans Stop blaming people or their genes -- it's an abundance of unhealthy, heavily advertised, low-cost food that underlies the nation's obesity crisis. America is overlooking the real cause of its

发表于:2018-12-30 / 阅读(346) / 评论(0) 分类 英语流行话题阅读:语境识词4500

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(432) / 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(385) / 评论(0) 分类 基因外遗传现象

By Mike O'Sullivan Los Angeles 16 August 2007 Comic book writer Stan Lee is the man behind some of the world's greatest fictional super-heroes. Today, at 84, the creator of the Incredible Hulk, Fantastic Four and Spider-Man is still making his mark o

发表于:2019-01-06 / 阅读(523) / 评论(0) 分类 2007年VOA标准英语(八月)

Owl City - Super Honeymoon Glamour and fashion Models and magazines... a striking runway entrance Beauty and passion Stardust and high class scenes of popular teens When I lived in Denver, I met a millionaire With ribbons in her blonde hair I still r

发表于:2019-01-11 / 阅读(419) / 评论(0) 分类 好听的英文歌曲

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(469) / 评论(0) 分类 英语杂谈

By Parke Brewer Phoenix 02 February 2008 This year's U.S. National Football League Championship game, The Super Bowl, is expected to be one of the most watched in history. That is because for only the second time in 42 Super Bowls, a team comes in un

发表于:2019-01-26 / 阅读(430) / 评论(0) 分类 VOA常速英语2008年(二月)

By Tony Budny Washington, DC 01 February 2008 Hundreds of millions of people from around the world will watch the New York Giants face the New England Patriots in the Super Bowl this Sunday. The National Football League championship game is traditio

发表于:2019-01-31 / 阅读(389) / 评论(0) 分类 VOA常速英语2008年(二月)

英伦经典,年少轻狂:Supergrass Supergrass,上世纪九十年代最成功的Britpop乐队之一。在美国,他们的大歌迷斯蒂文斯皮尔柏格甚至萌发了以Supergrass为蓝本拍摄电视剧的主意。在他们的音乐中,你

发表于:2019-02-01 / 阅读(466) / 评论(0) 分类 英文摇滚歌曲

Nader says 'Only the Super Rich Can Save Us' offers a roadmap to a practical utopia. Some of the richest Americans are using their wealth for the common good. Businessman and investor Warren Buffett, Microsoft's founder Bill Gates and financier Georg

发表于:2019-02-06 / 阅读(493) / 评论(0) 分类 VOA标准英语2010年(二月)

Indian health officials have rejected a new medical study warning of widespread drug-resistant bacteria in the country's capital. But the co-author of the study says Delhi is in denial, and warns the bacteria can spread easily around the world, possi

发表于:2019-02-18 / 阅读(366) / 评论(0) 分类 英语新闻
学英语单词
abdominal ileotomy
amphiplatyan centrum
aspartate
assistant chief
association number
backward boost
barometic leg condenser
beerhalls
bewitcher
block filter glass
Bloom strength
butt breaths
cable gum
catalane
caulking material for cable penetration
Chrysosplenium giraldianum
communicating hydrocele
concrete technology
coprocess
counter-pull
cr.c
deiform
despectuous
diaoyu
dipropylnitrosamine
disowned lamb
double pedal notes
endolecithal
excitosecretory
family Ambystomatidae
fluid structure
golfese
gunmanship
Gymnarthridae
gyrer
hand brake mast support
healthy eating
heatwaves
high-attention
hypothetical fluid velocity
Idrogriseovit
indicative price
intergenerational mobility
irrational involution
jordanii
Kupishki
laminae propria
lattice beacon
lauryl alcohol
marssonia pitebtukkae (desm.) fischer
Mazus fukienensis
mediant
memory domain
microviscometer
Middelwit
mirror reflection symmetry
mutational site
Mékambo
Narcine brasiliensis
neato burrito
non-regulatory
nonvenereal syphilis
nuevas
oak ferns
of little use
oh lord
Pasteurella equiseptica
peak short-circuit current
Phlomis ambigua
Pine City
postdetection integration
precombustion engine
re-enlist
related party transactions
reticuloendo-thelium
rifugio
roxilon
saccharimeter test
Samanid
semi-automatic submerged arc welding
septasternum
shut-down amplifier
since that time
soil tensile strength
sovereign good
stab stitch
stagewear
straight-liner
supermumetal alloy
Swida koehneana
trabuch
treat oneself to
Truncus jugularis dexter
Tyva
under oars
uterine polyp
vent for surplus theory
water-soluble completion fluid
wheedler
woofters
ZEIX
ZML