显性变更因子

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(125) / 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(137) / 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(121) / 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(125) / 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(158) / 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(132) / 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(102) / 评论(0) 分类 基因外遗传现象

Confidence, it seems, can get you a long way in life. Confidence around other people can actually make those around you feel comfortable. I'm talking about the kind of confidence that lets you just be yourself; you don't have to prove anything or imp

发表于:2019-01-01 / 阅读(101) / 评论(0) 分类 英语博客 A cup of English

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(105) / 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(153) / 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(135) / 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(126) / 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(163) / 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(115) / 评论(0) 分类 2018年NPR美国国家公共电台1月

My energetic daughter has been begging me to take her to karate classes. She had already enrolled in gymnastics, and our rule is to do only one after-school activity each season, so I decided to only look into it, and not agree or commit myself to ta

发表于:2019-01-28 / 阅读(126) / 评论(0) 分类 英语博客 A cup of English

Since the Olympic Games took place once every four years, and were attended by all the Greeks, they provided everyone with a convenient way to measure time. 由于奥林匹克运动会每四年举行一次,而且所有的希腊人都来观看,所以运

发表于:2019-01-29 / 阅读(105) / 评论(0) 分类 世界小史

It is supposed to be a good thing to reward your kids every now and then for going to school, or doing their chores. Domini, my daughter is no exception. When she changed preschools, she went through a time of adjustment, and had to be encouraged to

发表于:2019-02-04 / 阅读(105) / 评论(0) 分类 英语博客 A cup of English

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
about me
adjustable snap gauge
an nuhud (en nahud)
areographic geography
argyroxiphium sandwicenses
arkhangelskaya oblast
ascochyta ligulariae
bassinettes
branch gully
bridge structure
Brodmann area
carpetweed family
Carron-oil
channel without memory
cleaning apron
closed questionnaire
coke oven gas engine
colllateral note
commins
communiversities
contrabass tuba
crematogaster subnuda formosae
cuckoldries
demigods
depurative
dipterist
dwarf-males
ecards
electroglottographs
episkopis
equal strength
exotifies
fiber optics digital control system (fodcs)
flanged wheel
free people
Garhadiolus papposus
Gasterophilus
gnoseologically
gradient centrifugation
groove mark
heldrich
Hell Creek Formation
hepatic distomiasis
hungover
integrated use of marine resources
intertransversarii thoracis
juglandoid
Lepionurus latisquamus
liliopsid genera
love offair
M6
manufacturing illustration
Mauro, Mte.
minibubbles
minus plate
modfet switch
Mx,Mx.
negative damping factor
nonceramics
npdc
nucleus radicis descendentis nervi trigemini
odd/eccentric cluster of personality disorders
onocentaur
open-ended question
openid
optical retardation
OS (outside sleeve)
ouv
personal degree structure
pointed twill weave
polluted air
product trial
professional photography
ranch hands
re-working
reconstruction TIC
resistance to chemicals
rich binding
ricinic
right handed
RKKY model
rocket-assisted take-off
rubber-soleds
Rubus panduratus
scabrirostris
Schur functions
Scrpophulariaceae
sideways movement
sink flow
spaid
spring pole
stereo perception
structural engineer easy language
synchronized actuators
through connection filter
thyratron-motor drive
ultra-violet microscopy
user-fee
value form
visitational
wave energy propagation
wildfire toxin