相互附加基因

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(144) / 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(128) / 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(159) / 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(169) / 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(141) / 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

SCIENCE IN THE NEWS - California Voters Reject Food Labeling Requirement From VOA Learning English, this is SCIENCE IN THE NEWS in Special English. Im Bob Doughty. And Im Faith Lapidus. Today, we tell about an effort to require food producers to iden

发表于:2018-12-07 / 阅读(99) / 评论(0) 分类 2012年VOA慢速英语(十一)月

5. The dispute shall be submitted for arbitration by a mutually nominated arbitrator. 争议应由双方提名的仲裁者来仲裁。 还能这样说: The mutually nominated arbitrator should submit the dispute for arbitration. The mutually nomina

发表于:2018-12-25 / 阅读(139) / 评论(0) 分类 情景会话口袋书人际篇

Grammar Girl here. In todays episode were going to answer some bizarre and puzzling questions: Can two people share a life? Can two writers share a neck? How many heads does a person have? How many wives do certain men have? Today's guest-writer, Bon

发表于:2019-01-02 / 阅读(193) / 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(158) / 评论(0) 分类 基因外遗传现象

SCIENCE IN THE NEWS -July 2, 2002: Space Shuttle Flights Halted / Researchers Study Icelanders' Genes / Another Reason to Eat Green, Leafy Vegetables Broadcast: July 2, 2002 VOICE ONE: This is Steve E

发表于:2019-01-07 / 阅读(156) / 评论(0) 分类 科技之光

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

This is the VOA Special English Agriculture Report. Not all research begins with a plan. Some studies begin by accident. Meredith Schafer says that is what happened with her and Cynthia Sagers. Cynthia Sagers is a biology professor at the University

发表于:2019-01-12 / 阅读(123) / 评论(0) 分类 2010年VOA慢速英语(九)月

Entertainment Pioneer Dick Clark Dies at 82 He was not a singer or musician, but Dick Clark was one of the most famous names in rock and roll. In the 1950s and 60s his afternoon television show, American Bandstand, was a daily staple for teens across

发表于:2019-01-13 / 阅读(132) / 评论(0) 分类 VOA标准英语2012年(四月)

1. We'd like to express our desire to establish business relationship with you on the basis of quality, mutually benefit and exchange of needed goods . 我们希望在保证质量、互惠互利以及交易彼此需要的货物的基础上和你们建立

发表于:2019-01-17 / 阅读(114) / 评论(0) 分类 阅读空间

By Jim Stevenson Fitzgerald Tennis Center, Washington, D.C. 07 August 2006 French tennis veteran Arnaud Clement has captured his second title of the year by defeating 19-year-old Andy Murray of Scotland, 7-6, 6-2, to win the Legg Mason Classic in Wa

发表于:2019-01-20 / 阅读(215) / 评论(0) 分类 2006年VOA标准英语(八月)

Ⅱ. Acknowledgment 认收 Specimen Letters When a seller receives his customer's order he usually acknowledges the receipt of the order. The following are some printed routine acknowledgments: (1) XI'AN TEXTILE CORPORATION 164 East street, Xi'an Tel

发表于:2019-02-06 / 阅读(208) / 评论(0) 分类 实用英语

Commentary: Reform of labor re-education system inevitable BEIJING, Oct. 11 (Xinhua) -- After prolonged public complaints and a series of scandals, China's controversial re-education through labor system will finally be reformed, a move that is inevi

发表于:2019-02-08 / 阅读(185) / 评论(0) 分类 英语新闻
学英语单词
'Almā
Amsterdam
Appraisal Right
aquotization
armoured piercing high explosive incendiary shell (apheix)
arvie
Australian cockroach
banning-orders
battering at rail end
blocking brake
boosing bar
brasslike
calculation of transit period
Cape Town
Carreras
cepphus columbas
chloride process titanium dioxide
conventionalloading
crocketings
current steering element
cytidyltransferases
elephantid
engenderings
engyre
Erimanthos
everywhere
fibrae intrathalamicae
field-compensated Michelson interferometer
fixed percentage basis
flashfic
form work
fourfold point correlations
frasers
front-wheel drive loading shovel
gaoling
gERP
glory-hole spillway
gross out
heating-oil
herglotz theorem
HLV
incisal cavity
incremental audit risk
infrared image to visible colour
infrared plate
inside bond
jib-end
Kaja, Wādī (Kadja, Ouadi)
latchstring
leedham
lerone
leuk-
lever of statical stability
local experience
mears
Meconopsis primulina
microradiography unit
mucosedative
norinchukin
odria
one to one function
order point technique
p-type doping
parallel-circuits per phase
percent timer
phenomenon
pressure washing
Prevalite
Rando-bonder
relaxation property
requite sb for his kindness
resin emulsion paint
revision of documents
Schilder disease
sharqiya
shock-absorbings
size fluctuation
skew position generator
skip charging
snub a ship
Sogn og Fjordane Fylke
solvation of ion
spinach dip
spoke modulation
stewartia
Strowger two-motion switch
succession of generation
system board
Tenay
test replacement
thermal infrared region
transferor company
triple sec
two-stream preparation plant
vibrating pile-driver
vinyl acetal resin
VPBCPR
waste fuel
watson's disease
weld ga(u)ge
will-power
write key