News tagged with genetic architecture
Research links evolution of fins and limbs with that of gills
Mar 23, 2009 |
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The genetic toolkit that animals use to build fins and limbs is the same genetic toolkit that controls the development of part of the gill skeleton in sharks, according to research to be published in Proceedings of ...
Researcher tags genes linked to disc degeneration
Mar 11, 2009 |
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(PhysOrg.com) -- Lumbar disc degeneration is an uncomfortable condition that affects millions of people, but two University of Alberta researchers have identified some of the genes that are causing problems. ...
Inbreeding insects cast light on longer female lifespans
Biology /
Feb 06, 2009 |
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Inbreeding can unexpectedly extend male lifespan. Insect experiments described in the open access journal BMC Evolutionary Biology have shown that, in seed beetles, inbreeding causes males to live longer, while shortening ...
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When every photon counts
Apr 20, 2009 |
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The eyes of nocturnal mammals contain particularly large numbers of the highly light-sensitive rods, the photoreceptor type used for night vision. This allows the detection of light levels millions of times ...
Researchers explore the genetic basis of social behavior in ants
Biology /
Jul 18, 2008 |
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Understanding how interactions between genes and the environment influence social behavior is a fundamental research goal. In a new study, researchers at the University of Lausanne and the University of Georgia have shed ...
Did increased gene duplication set the stage for human evolution?
Biology /
Feb 11, 2009 |
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(PhysOrg.com) -- Roughly 10 million years ago, a major genetic change occurred in a common ancestor of gorillas, chimpanzees, and humans. Segments of DNA in its genome began to form duplicate copies at a greater ...
Genes hold the key to how happy we are, scientists say
Medicine & Health / Psychology & Psychiatry
Mar 04, 2008 |
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Happiness in life is as much down to having the right genetic mix as it is to personal circumstances according to a recent study.
Study identifies new genetic risk factors for type 2 diabetes
Apr 26, 2007 |
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Ten genetic variants associated with type 2 diabetes, a disease which impacts more than 170 million people worldwide, have been identified or confirmed by a U.S.-Finnish team led by scientists at the University of Michigan ...
Bacteria 'invest' wisely to survive uncertain times, scientists report
Nov 02, 2009 |
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Like savvy Wall Street money managers, bacteria hedge their bets to increase their chances of survival in uncertain times, strategically investing their biological resources to weather unpredictable environments.
First 'genetic map' of Han Chinese may aid search for disease susceptibility genes
Nov 25, 2009 |
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The first genetic historical map of the Han Chinese, the largest ethnic population in the world, as they migrated from south to north over evolutionary time. was published online today by the American Journal of Human Ge ...
Measuring the strength needed to move chromosomes
Mar 11, 2009 |
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(PhysOrg.com) -- It’s about as long as the width of a human hair and only half that length across. So it’s tiny — measured in millionths of a meter — and extremely tricky to manipulate. But the meiotic spindle plays so irresistibly ...
New discovery allows scientists for the first time to experimentally annotate genomes
Nov 09, 2009 |
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Over the last 20 years, the sequencing of the human genome, along with related organisms, has represented one of the largest scientific endeavors in the history of mankind. The information collected from genome ...
Scientists devise efficient way of learning about complex corn traits
Aug 06, 2009 |
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There's no "silver bullet" gene or gene region that controls so-called complex traits in maize, commonly known as corn.
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