单词：autarchic genes
单词：autarchic genes 相关文章
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
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
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
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
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
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
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
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
基因外遗传现象
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
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
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
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
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.
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
英语杂谈
Watching for Early Signs of Autism in Babies From VOA Learning English, this is the Health Report in Special English. Children with autism have difficulty with social skills and communication. They often behave in restricted and repetitive ways and h
2013年VOA慢速英语(五)月
Health Report - Watching for Early Signs of Autism in Babies 健康报道 - 儿童自闭症的早期迹象 From VOA Learning English, this is the Health Report in Special English. 这里是美国之音慢速英语健康报道。 Children with autism
2013年VOA慢速英语(一)月
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
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
2018年NPR美国国家公共电台1月
Avatar star Zoe Saldana, who played a sexy blue alien in the 3D extravaganza(巨制), made People magazine's annual best-dressed list on Wednesday, alongside Glee actress Lea Michele and Prince William's girlfriend. Singers Gwen Stefani and Rihanna a
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
英语新闻