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Medicine & Health / Genetics news 1234

Homosexual behavior due to genetics and environmental factors

June 29, 2008 | User rating: 4.4 / 5 after 38 vote(s) | User comments: 6

Homosexual behaviour is largely shaped by genetics and random environmental factors, according to findings from the world's largest study of twins.


DNA study unlocks mystery to diverse traits in dogs

June 22, 2008 | User rating: 4.1 / 5 after 25 vote(s) | User comments: 2

Discovery offers potential benefits for dogs and their owners
What makes a pointer point, a sheep dog herd, and a retriever retrieve? Why do Yorkshire terriers live longer than Great Danes? And ...


New discovery proves 'selfish gene' exists

June 20, 2008 | User rating: 4 / 5 after 23 vote(s) | User comments: 5

A new discovery by a scientist from The University of Western Ontario provides conclusive evidence which supports decades-old evolutionary doctrines long accepted as fact.


New route for heredity bypasses DNA

January 04, 2008 | User rating: 4.6 / 5 after 51 vote(s) | User comments: 1

A group of scientists in Princeton's Department of Ecology and Evolutionary Biology has uncovered a new biological mechanism that could provide a clearer window into a cell's inner workings.


First gene associated with dry macular degeneration found

August 27, 2008 | User rating: not shown ( 3 vote(s) ) | No comments yet

In a study that underscores the important role that individual genetic profiles will play in the development of new therapies for disease, a multi-institutional research team – led by Kang Zhang, MD, PhD professor of ophthalmology ...


Gene that causes childhood cancer neuroblastoma is found

August 25, 2008 | User rating: not shown ( 3 vote(s) ) | No comments yet

Scientists have discovered gene mutations that are the main cause of the inherited version of the childhood cancer neuroblastoma. In addition, the researchers found that the same mutations play a significant role in high-risk ...


Scientists nail childhood nerve cancer gene

August 24, 2008 | User rating: 4.7 / 5 after 7 vote(s) | No comments yet

Researchers have identified the hereditary gene mutations behind a deadly form of childhood cancer, opening the way to genetic tests in high-risk families, according to study released Sunday.


Researchers define characteristics, treatment options for XXYY syndrome

August 23, 2008 | User rating: 4.2 / 5 after 9 vote(s) | No comments yet

Researchers at the UC Davis M.I.N.D. Institute and The Children's Hospital in Denver have conducted the largest study to date describing the medical and psychological characteristics of a rare genetic disorder in which males ...


Medicine tailored to your genome, not your race: Venter

August 20, 2008 | User rating: not shown ( 3 vote(s) ) | No comments yet

Personalised, genome-based health care could help prevent hundreds of thousands of deaths caused each year by adverse drug reactions, genetics pioneer Craig Venter said Tuesday.


Largest study of its kind implicates gene abnormalities in bipolar disorder

August 17, 2008 | User rating: 4.9 / 5 after 14 vote(s) | No comments yet

A large genetic study of bipolar disorder has implicated machinery that balances levels of sodium and calcium in neurons. The disorder was associated with variation in two genes that make components of such ion channels. ...


Maelstrom quashes jumping genes

August 11, 2008 | User rating: 4.8 / 5 after 5 vote(s) | No comments yet

Scientists have known for decades that certain genes (called transposons) can jump around the genome in an individual cell. This activity can be dangerous, however, especially when it arises in cells that produce eggs and ...


Large reservoir of mitochondrial DNA mutations identified in humans

August 11, 2008 | User rating: 4.6 / 5 after 19 vote(s) | User comments: 4

Researchers at the University of Newcastle, England, and the Virginia Bioinformatics Institute at Virginia Tech in the United States have revealed a large reservoir of mitochondrial DNA mutations present in the general population. ...


Obesity genes revealed

August 11, 2008 | User rating: 4.6 / 5 after 7 vote(s) | No comments yet

A study of 228 women has revealed genetic variants responsible for body shape. Based on work in the fruit fly Drosophila melanogaster, research published today in the open access journal BMC Genetics identifies natural ...


Study helps pinpoint genetic variations in European Americans

August 07, 2008 | User rating: not shown ( 1 vote(s) ) | No comments yet

An international team of researchers has identified just 200 positions within the curves of the DNA helix that they believe capture much of the genetic diversity in European Americans, a population with one of the most diverse ...


Researchers uncover West Nile's targets

August 06, 2008 | User rating: not shown ( 1 vote(s) ) | No comments yet

Screening the entire human genome, a team headed by Yale University scientists have identified several hundred genes that impact West Nile virus infection. The findings reported Wednesday online in the journal Nature ...


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