News tagged with genetic studies
Related topics: mutations , genetic variation
Lizard fossil provides missing link in debate over snake origins
(PhysOrg.com) -- Until a recent discovery, theories about the origins and evolutionary relationships of snakes barely had a leg to stand on.
May 18, 2011 |
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Skulls show New World was settled twice: study
Two distinct groups from Asia settled in the New World and not one single migration as suggested by previous genetic studies, experts said Monday after comparing the skulls of early Americans.
Other Sciences / Archaeology & Fossils
Jun 14, 2010 |
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Using Superheroes to Teach Physics: College Courses in Sci-Fi
(PhysOrg.com) -- One of the more perplexing questions facing science these days is this one: How do we get more young people interested in science? Leading the way are a number of college courses -- that can ...
Mar 31, 2009 |
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Microscope looks into cells of living fish
Microscopes provide valuable insights in the structure and dynamics of cells, in particular when the latter remain in their natural environment. However, this is very difficult especially for higher organisms. ...
May 16, 2012 |
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Scientists lift lid on turtle evolution
The turtle is a closer relative of crocodiles and birds than of lizards and snakes, according to researchers who claim to have solved an age-old riddle in animal evolution.
May 16, 2012 |
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Men can rest easy -- sex chromosomes are here to stay
Fears that sex-linked chromosomes, such as the male Y chromosome, are doomed to extinction have been refuted in a new genetic study which examines the sex chromosomes of chickens.
May 08, 2012 |
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DNA traces cattle back to a small herd domesticated around 10,500 years ago
All cattle are descended from as few as 80 animals that were domesticated from wild ox in the Near East some 10,500 years ago, according to a new genetic study.
Mar 27, 2012 |
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Genetic survey of endangered Antarctic blue whales shows surprising diversity
More than 99 percent of Antarctic blue whales were killed by commercial whalers during the 20th century, but the first circumpolar genetic study of these critically endangered whales has found a surprisingly ...
Mar 07, 2012 |
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Wild dogs didn't go extinct in east Africa after all
In 1991, conservationists announced with dismay that endangered African wild dogs had gone extinct from the Serengeti-Mara region of east Africa. Now the latest genetic study reveals that this proclamation ...
Jan 23, 2012 |
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Tiny roundworm points to big promise
Two related studies from Northwestern University offer new strategies for tackling the challenges of preventing and treating diseases of protein folding, such as Alzheimer's, Parkinson's and Huntington's diseases, amyotrophic ...
Jan 06, 2012 |
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Genes in place: New research shows location matters for evolution
(PhysOrg.com) -- A new paper by researchers at the New England Complex Systems Institute reveals the limitations of evolutionary studies that ignore geography. They show that how individuals are arranged in space, and the ...
Oct 19, 2011 |
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DNA study suggests Asia was settled in multiple waves of migration
An international team of researchers studying DNA patterns from modern and archaic humans has uncovered new clues about the movement and intermixing of populations more than 40,000 years ago in Asia.
Sep 22, 2011 |
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Largest rice genetics study finds vast differences in rice
The largest publicly available genomewide association mapping study in rice to date has found that although the five subpopulations of Asian rice -- indica, aus, temperate japonica, aromatic and tropical ...
Sep 15, 2011 |
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Ancient wild horses help unlock past
An international team of researchers has used ancient DNA to produce compelling evidence that the lack of genetic diversity in modern stallions is the result of the domestication process.
Aug 23, 2011 |
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Study: Wild Cuban crocodiles hybridize with American crocs
A new genetic study by a team of Cuban and American researchers confirms that American crocodiles are hybridizing with wild populations of critically endangered Cuban crocodiles, which may cause a population ...
Jun 22, 2011 |
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