News tagged with genetic basis
Scientists take a step towards uncovering the histone code
Researchers at Emory University School of Medicine have determined the structures of two enzymes that customize histones, the spool-like proteins around which DNA coils inside the cell.
Dec 20, 2009 |
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In praise of the Y chromosome
(PhysOrg.com) -- David Page, director of the Whitehead Institute and professor of biology at Massachusetts Institute of Technology, says research indicates the much-maligned Y chromosome plays a more critical ...
Apr 20, 2010 |
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Absent pheromones turn flies into lusty Lotharios
(PhysOrg.com) -- When Professor Joel Levine's team genetically tweaked fruit flies so that they didn't produce certain pheromones, they triggered a sexual tsunami in their University of Toronto Mississauga ...
Oct 14, 2009 |
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Alcohol withdrawal symptoms caused by molecules in the brain
(PhysOrg.com) -- Researchers in Britain have discovered the molecular basis of some of the symptoms of hangover and alcohol withdrawal that appear as the body attempts to adapt to reduced levels of alcohol.
Medicine & Health / Neuroscience
May 12, 2010 |
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Genetic conflict in fish led to evolution of new sex chromosomes
University of Maryland biologists have genetically mapped the sex chromosomes of several species of cichlid (pronounced "sick-lid") fish from Lake Malawi, East Africa, and identified a mechanism by which new ...
Oct 01, 2009 |
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Scientists find new genes for cancer, other diseases in plants, yeast and worms
From deep within the genomes of organisms as diverse as plants, worms and yeast, scientists have uncovered new genes responsible for causing human diseases such as cancer and deafness.
Apr 13, 2010 |
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Studies provide new insights into the genetics of obesity and fat distribution
An international consortium has made significant inroads into uncovering the genetic basis of obesity by identifying 18 new gene sites associated with overall obesity and 13 that affect fat distribution. The ...
Oct 10, 2010 |
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Tweet: Scientists decode songbird's genome, provide clues on language learning (w/ Video)
Nearly all animals make sounds instinctively, but baby songbirds learn to sing in virtually the same way human infants learn to speak: by imitating a parent.
Mar 31, 2010 |
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Genes linked to cancer could be easier to detect with liquid lasers
Using a liquid laser, University of Michigan researchers have developed a better way to detect the slight genetic mutations that might predispose a person to a particular type of cancer or other diseases.
Chemistry / Analytical Chemistry
Jan 31, 2012 |
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Science to help rice growers affected by Japan's tsunami
Under a year since a huge tsunami inundated paddy fields in Japan with salty sludge, scientists are near to developing locally-adapted, salt-tolerant rice. Following a Japan-UK research collaboration, a new ...
Jan 22, 2012 |
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Brain protein central to both Parkinson's, drug addiction identified
Scientists have identified a protein that appears not only to be central to the process that causes Parkinson's disease but could also play a role in muting the high from methamphetamine and other addictive drugs.
Medicine & Health / Medical research
May 04, 2009 |
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Genes that influence start of menstruation identified for first time
Researchers from the Peninsula Medical School, along with collaborators from research institutions across Europe and the United States, have for the first time identified two genes that are involved in determining when girls ...
May 17, 2009 |
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Study shows animal mating choices more complex than once thought
When female tiger salamanders choose a mate, it turns out that size does matter - tail size that is - and that's not the only factor they weigh.
Jun 08, 2009 |
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Researchers looking at a rare disease make breakthrough that could benefit everyone
By working with Canadians of French ancestry who suffer a rare genetic disease, researchers have discovered how three genes contribute to abnormal growth, making a breakthrough that will improve our understanding of many ...
Mar 01, 2011 |
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Scaling the wall of deafness
Despite modern medicine, one in 1,000 American babies are born deaf. The numbers increase markedly with age, with more than 50% of seniors in the United States experiencing some form of hearing loss.
Medicine & Health / Medical research
Apr 14, 2009 |
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Biology and sexual orientation
Biology and sexual orientation is the subject of research into the role of biology in the development of human sexual orientation. No simple, single cause for sexual orientation has been conclusively demonstrated, and there is no scientific consensus as to whether the contributing factors are primarily biological or environmental. Many think both play complex roles. The American Academy of Pediatrics and the American Psychological Association have both stated that sexual orientation probably has multiple causes. Research has identified several biological factors which may be related to the development of a heterosexual, homosexual, or bisexual orientation. These include genes, prenatal hormones, and brain structure. Conclusive proof of a biological cause of sexual orientation would have significant political and cultural implications.
For more information about Biology and sexual orientation, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
