单词：elimination chromosome
单词：elimination chromosome 相关文章
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
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This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Those of you following the World Cup know that at this stage there can be no more draws. Ties are broken during overtime play, or in a penalty kick shootou
Scientific American(六)月
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
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
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
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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
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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
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
2005年NPR美国国家公共电台
It might be cold comfort for those of you struggling with bad skin right now, but a new study has found that people with acne tend to have younger-looking skin as they grow older. 也许对于正在与坏皮肤斗争的你们来说无济于事，但是
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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
2010年VOA慢速英语(八)月
World Bank President: Elimination of Poverty Possible World Bank President Jim Yong Kim says the problems of poverty, hunger and inequality are massive, urgent and a matter of survival for millions. We know that despite the dramatic successes of the
VOA标准英语2013年(四月)
Green Card Lottery Faces Elimination Under US Immigration Reform Two years ago Rafiq-ul-Islam won a U.S. permanent resident visa through the Green Card Lottery and came to the United States from Bangladesh -- with little more than the clothing he own
VOA标准英语2013年(五月)
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
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By Lisa Schlein Geneva 02 May 2006 Environmentalists are calling for the elimination of the toxic chemical, DDT, which is still used in large parts of Africa to combat malaria. The continued use of DD
2006年VOA标准英语（五月）
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
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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
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
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