个体间共有[的]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(165) / 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(172) / 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(185) / 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(157) / 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(204) / 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(167) / 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(143) / 评论(0) 分类 基因外遗传现象

You may have heard that humans and chimpanzees have something like 96 percent of our DNA in common. So why, then, are diseases like cancer so common in humans but so rare in chimps? If our DNA is nearly identical, shouldnt we be at risk for many of t

发表于:2018-12-28 / 阅读(179) / 评论(0) 分类 初学者听力文摘精选

加拿大广播公司:研究发现,跟陌生人相比我们与朋友之间的基因更为相似,这一发现为物以类聚,人以群分的说法提供了新的佐证.遗传学家发现,无血缘关系的朋友之间有百分之一的基因是相似的

发表于:2019-01-01 / 阅读(154) / 评论(0) 分类 双语趣听精彩世界

Twins by Richard Sidaway What do the singer Alanis Morissette, the supermodel Gisele Bundchen and the ex-Secretary General of the United Nations Kofi Annan all have in common? The answer is, they all have a brother or sister who was born on the same

发表于:2019-01-02 / 阅读(290) / 评论(0) 分类 英语音频杂志

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(185) / 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(160) / 评论(0) 分类 基因外遗传现象

SCIENCE IN THE NEWS - Is the Human Brain Still Evolving? Some Scientists Think So By Katherine Gypson, George Grow and Dana Demange Broadcast: Tuesday, November 01, 2005 (MUSIC) VOICE ONE: This is SCI

发表于:2019-01-02 / 阅读(158) / 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(201) / 评论(0) 分类 英语杂谈

Researchers Remember Discovery of Lucy Skeleton 研究人员回忆发现露西骨架始末 It has been more than 40 years since the discovery of the early human skeleton named Lucy. The old bones were found in Ethiopia. Lucy is one of the most famous

发表于:2019-01-12 / 阅读(138) / 评论(0) 分类 2015年VOA慢速英语(二)月

Discovery of Lucy Skeleton Continues to be Relevant 研究者回忆露西骨架的发现 LOS ANGELES It has been more than 40 years since the discovery in Ethiopia of the early human skeleton named Lucy. She is one of the most famous finds of the 20t

发表于:2019-01-14 / 阅读(167) / 评论(0) 分类 VOA标准英语2015年(二月)

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发表于:2019-01-26 / 阅读(172) / 评论(0) 分类 英语单词荟萃

HEALTH REPORT - Cancer Survival Rates Up in U.S. By Cynthia Kirk Broadcast: Wednesday, January 26, 2005 25 Jan 2005, 23:06 UTC I'm Phoebe Zimmerman with the VOA Special English Health Report. The Amer

发表于:2019-01-30 / 阅读(390) / 评论(0) 分类 健康与经济

音乐咖啡厅:Justin Bieber - Common denominator 相关介绍:My World是少年歌手贾斯汀比伯(Justin Bieber)的个人首张专辑,将于11月17日发行。年仅15岁的贾斯汀比伯(Justin Bieber)来自加拿大,是由Usher一手捧红

发表于:2019-02-06 / 阅读(253) / 评论(0) 分类 音乐咖啡厅
学英语单词
Acer taronense
Achilles' tendons
Adenophora rupincola
aggregate field
Al Kufrah
albumen quality
all metallic construction
allowed travel
alteration of premise
amro
arbitral procedure
binode of surface
Bishop L.
blahed
bobtail curtain antenna
bogus kraft paper
chaetomorpha brachygona
Chinese orchid
circumgyrated
codeonal
cogitator
cross border tie
cross-stitchers
Cydonia lagenaria Lois.
delyagin
diflumidone
Drake Passage
dressing-bell
engine coupler
ex-officio magistrate
external gill (or external branchia)
feather valve
fetch a high price
forest hydrology
ground preference relay
hagin
haptic perception
haptophil
henosepilachna processa
heptacyclic compound
heterogamy
ibisys
iliamna l.
iterated code
Juquan
kareya
learning by appointment system
leave no stone unturned
littelfuse
lovelace
lumholtz
malacia traumatica
market belief heuristic
mechanical hemolytic anemia
membranelike
micro-electronic device
militancy
minimax loss function
modular datacenter
moseby
mulugettas
muynak
myoendothelial junction
N-joint
nanofractals
National Group
natural food color
non-resonanting transformer
on tours
Parnon
pebble phosphate
pertlike
pondies
poshekhonov
pprotein
Prince Eugene of Savoy
prostomum
putamen fretinochelyos
radioactive cow
rate elongation
reliability mathematics
reprehensibly
rest bend
right half part
rope furnishing tool
rural-urban relations
scale disc
sign paint
sinter density
skorgen
softball diamond
steerstaff
stem chock
tammite
tilt angles
umbillical circulation
unbolted
unmoralness
variable gain amplifier
vasopressin
white sponge naevus
wing core