染色体带型

Alice: Hello, I'm AliceStephen: And I'm Stephen. Alice: And this is 6 Minute English! This week were talking about sleepwalking. Have you ever walked in your sleep, Stephen? Stephen: I dont think so, but Ive been known to tell stories in my sleep. Al

发表于:2018-11-29 / 阅读(279) / 评论(0) 分类 六分钟英语

Topics: John Audubon and the Audubon Society; Famous Songs: On Top of Old Smokey; sign versus signal; figure out versus find out; to beat a dead horse Words: ornithologist to sketch naturalist to illustrate bird-banding taxidermy to become extinct to

发表于:2018-12-03 / 阅读(168) / 评论(0) 分类 美语听力 English Cafe

Little girls are made of sugar and spice and, according to a study published in the journal Cell, a fierce determination to maintain their girlishness. Because it seems that a single gene keeps their ovaries from turning into testes. Scientists have

发表于:2018-12-24 / 阅读(163) / 评论(0) 分类 Scientific American(十二)月

Idiom: Like a moth to a flame ( doing something attractive and dangerous ) Hit the book: Potion Disability Inspire Down syndrome Chromosome

发表于:2018-12-27 / 阅读(208) / 评论(0) 分类 趣味青春英语

梦游症是会遗传的。 Alice: Hello, I'm Alice Stephen: And I'm Stephen. Alice: And this is 6 Minute English! This week were talking about sleepwalking. Have you ever walked in your sleep, Stephen? Stephen: I dont think so, but Ive been known to

发表于:2018-12-27 / 阅读(222) / 评论(0) 分类 一起听英语

今天文章讲的是男性基因染色体的问题,如果男性染色体正发生着变化,会造成地球上男女比例失衡吗? Neil: Hello and welcome to Six-Minute English from BBC Learning English, I'm Neil and with me today is Rosie. R

发表于:2018-12-27 / 阅读(144) / 评论(0) 分类 一起听英语

93 探究长寿基因 SCIENCE REPORT - September 12, 2001: Search for Long Life GeneBy Nancy Steinbach (Start at 1'01

发表于:2019-01-02 / 阅读(172) / 评论(0) 分类 科技之光

Neil: Hello and welcome to Six-Minute English from BBC Learning English, I'm Neil and with me today is Rosie. Rosie: Hi there. Neil: Well, today we're talking about men. Rosie: That sounds interesting. Neil: It is very interesting especially if you'r

发表于:2019-01-07 / 阅读(236) / 评论(0) 分类 六分钟英语

Scientists at the Whitehead Institute in Cambridge, Massachusetts say it's fortunate for humans that the Y chromosome is not on the verge of extinction. That's because the Y is the chromosome that makes males males. The outlook is less favorable for

发表于:2019-01-08 / 阅读(421) / 评论(0) 分类 2005年NPR美国国家公共电台

This is the VOA Special English Health Report. A miscarriage is the natural loss of a pregnancy before the twentieth week. This happens to as many as twenty percent of known pregnancies. Experts say many pregnancies end before a woman even knows she

发表于:2019-01-11 / 阅读(169) / 评论(0) 分类 2010年VOA慢速英语(八)月

Climatologists are warning that an El Nino weather pattern, which can spark severe floods, forest fires and droughts, could develop in the coming weeks across the Asia-Pacific region. Heavy early morning fog hangs over Sydney Harbor Bridge, 04 Jun 2

发表于:2019-01-13 / 阅读(204) / 评论(0) 分类 VOA标准英语2009年(六月)

By Melinda Smith Washington 15 August 2007 The Western diet, consisting of high fatfoods, is not beneficialfor cancer patients Worldwide statistics show that colon cancer kills more than 600,000 people every year. Now, a new study confirms that diet

发表于:2019-01-16 / 阅读(240) / 评论(0) 分类 2007年VOA标准英语(八月)

KELLY MCEVERS, HOST: There are several federal investigations into Russian meddling in last year's election, but states are playing a role, too. New York, for one, could become a powerful adversary of the Trump administration if the president tries t

发表于:2019-01-16 / 阅读(154) / 评论(0) 分类 2017年NPR美国国家公共电台9月

Tick-tock, tick-tock. Is that your biological clock? And if it is, are you female? Most people think biological clocks are strictly female phenomena, with infertility and the risk of certain diseases

发表于:2019-01-26 / 阅读(230) / 评论(0) 分类 阅读空间

As 2014 comes to a close, it's time to reflect on the most futuristic breakthroughs and developments of the past year. Here are 15 predictions that came true in 2014. 2014年已经过去,现在来总结过去一年中最具前瞻性和影响力的重

发表于:2019-02-01 / 阅读(235) / 评论(0) 分类 阅读空间

基因工程常用词汇 A 腺苷脱氨酶缺乏症 adenosine deaminase deficiency (ADA) 腺病毒 adenovirus Alagille综合征 Alagille syndrome 等位基因 allele 氨基酸 amino acids 动物模型 animal model 抗体 antibody 凋亡 apoptosis 路-巴综合征 ataxia-telangiectasia 常染

发表于:2019-02-01 / 阅读(157) / 评论(0) 分类 英文语法词汇

CANBERRA, Aug. 17 (Xinhua) -- Australian scientist on Wednesday said his international research team has discovered the trick on how butterfly learn to change its wing pattern to avoid being eaten by birds. The Amazonian butterfly, Heliconius numata,

发表于:2019-02-06 / 阅读(175) / 评论(0) 分类 英语新闻

A shortage of genes could be to blame for the lack of height in short people, researchers have found. Two studies involving 12,000 people has been carried out in America and found a link between the amount of missing genetic material and a decrease i

发表于:2019-02-13 / 阅读(165) / 评论(0) 分类 阅读空间

Autism 自闭症 Why it's not Rain Woman 为什么它不是雨女 Women have fewer cognitive disorders than men do because their bodies are better at ignoring the mutations which cause them 与男性相比,患有认知障碍的女性较少,因为她

发表于:2019-02-16 / 阅读(151) / 评论(0) 分类 经济学人科技系列

1 Compared with conventional beef, grass-fed beef is higher in this health-promoting nutrient, which gives its fat a yellow color: 1、与传统牛肉相比,草饲牛肉中某种有益健康的营养素含量更高,并让脂肪呈现黄色,这种

发表于:2019-02-18 / 阅读(224) / 评论(0) 分类 阅读空间
学英语单词
a leg of the law
aeroplane spin
agar plate
anakrisis
authorized insurer
Axioma
backstreet boy
bank mandate
bdnf
beat a retreat
Bnms's glucose medium
Bragg-Gray cavity principle
brush heel
business administrators
capital-saving invention
cast to the wind
celtic deities
cheiropodagra
childtime
citative
concion
condolements
curvas
cyclic plastic strain exponent
damping period
design wind loading
dipicrylamine
drum-rolls
edpetilidinine
egg-yolk
eutectic-pegmatitic texture
evaporative cooling
fibonnaci heap
Franklin,Rosalind Elsie
frost patterns
full-wave resistance welding power source
gas-gel chromatograph
gasmeter
gerontius
glazed window
group-frequencies
have-a-go hero
heater outlet couple
homes
idiosyncrasical
Imperial Valley
indicator error
international-law
kiril
loyal toast
Lysimachia mauritiana
macrofilaricidal
maximum power voltage
mazaedia
metabolic stone
mode selection technique
multiarc welding
multiauthored
nahid
nationalizings
nightworks
octomom
off budget year
Parndorf
peg cells
Perlas, Cayos de
permeability rise factor
Persicarin
phase sequence test
phase-microscope
phosphofructose
prickle-weed
pride
properly divergent sequence
pulley stile
radical of a module
recursive definition of function
ribbon flight
rotary shaker
rr. musculares (n. ulnaris)
sample contract
sample print
saprodite
she sits on his lap
spot foreign currency liabilities
squash seed
steamless
surface marker
survey marker
swear the peace against
Table Round
tariff cum income subsidy
threader
transonics
trip-rope control
uk tablespoon
unalienable
unpoint.ed
white - throated sparrow
Wibaux County
xenogenesis
yautia