生殖

40.Development and the Environment With the development of industry,people are faced with the problem of a worsening environment.Fish are disappearing in many rivers and lots of green land is changing into desert. What are the causes of this?Firstly,

发表于:2018-11-28 / 阅读(233) / 评论(0) 分类 疯狂英语易背作文

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(123) / 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(135) / 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(119) / 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(150) / 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(123) / 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(155) / 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(131) / 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(101) / 评论(0) 分类 基因外遗传现象

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发表于:2018-12-30 / 阅读(151) / 评论(0) 分类 有声畅销书-秘密

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(104) / 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(152) / 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(133) / 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(124) / 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(172) / 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(162) / 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

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(114) / 评论(0) 分类 2018年NPR美国国家公共电台1月

Ganso could be out until 2013, says physio RIO DE JANEIRO, Sept. 28 (Xinhua) -- Brazil midfielder Paulo Henrique Ganso could be forced to wait until next year to make his debut for new club Sao Paulo. Ganso, who joined the Brazilian top division outf

发表于:2019-02-06 / 阅读(197) / 评论(0) 分类 英语新闻

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(148) / 评论(0) 分类 英语新闻
学英语单词
5-dehydroquinate
acoustic reactance ratio
actual rent
air bacteria
air-blast transformer
angersome
anthocarp
anti-hbe
anti-influenza sera
antiphlogistica
April-fools
bacteral toxin
be born under an evil star
bertrande
black dwarf
bottom-chroming
brakspear
caledon colours
caries carnosa
Chandpur District
chromosomal domain
coarse salt
compound fault
dammed basin
dhidhimotikhon (dimotika)
dislady
draghen
dualistic society
ecstatically
ego-centrism
Elkview
Endothyra
envelope equation
eruptive binary
extra-heavy crown glass
fixed spindle gyratory crusher
force pass
four square
front gardens
full-track recording
fusers
general merchandise wholesalers
genovia
genus bubulcuss
gimballess inertial navigation
Gnaphalium kasachstanicum
gravity chute
Guézou Haoussa
hara
hassmen
heartachingly
Hong Giang
income fluctuation
indirect damage assessment
individual measurement
inland sea service
isobaricity
kitty cracker
Korbeek-Dijle
Kumbukkan Oya
lightbound
listlike
M1020
majuba hill
media processor
mercurammonium chloride
mesochroic
micro-coding
midline center
modelmakers
motor glider
national development program of industrial technology
needle shaped source
pair of quadratic forms
penal jurist
plagiogramma vanheurckii
positive regulator gene
Prussak's space
puts to shame
Rabelais
rambur
roisters
rosette graphite
runs away
sacci
shunt of mobile contacts
ski-hats
Sm valley
subpyramidal
Sungai Besi
sympathizing eye
syt
tonify the kidney and support yang
tower buggy
true tulipwoods
twin-engined freighter
unadmired
vulnific
wall-hanging
whole carcass
wild crocuss
wood fret