News tagged with dna specimen
Whale population size, dynamics determined based on ancient DNA
Estimates of whale population size based on genetics versus historical records diverge greatly, making it difficult to fully understand the ecological implications of the large-scale commercial whaling of the 19th and early ...
May 09, 2012 |
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Plant DNA speaks English, identifies new species
The important changes to the way scientists name new plants that took effect on 1 January 2012 included the fall of the so-called Latin requirement - a stipulation that descriptions or diagnoses of new species ...
Mar 23, 2012 |
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Using a mathematical model to evaluate microsatellite genotyping from low-quality DNA
Noninvasive sampling has been used in studies of endangered animals. It has the advantage of obtaining samples without affecting the target animals. However, the quality of DNA obtained by such methods is ...
Sep 02, 2011 |
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Researchers turn to museums to track down clues in mysterious amphibian declines
There's a crisis among the world's amphibians -- about 40 percent of amphibian species have dwindled in numbers in just three decades. Now, museum jars stuffed full of amphibians may help scientists decide ...
May 02, 2011 |
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Vanderbilt Lung Cancer Trial for Never Smokers Goes Online
(PhysOrg.com) -- One of the enduring mysteries of lung cancer is why so many people who never smoked develop the disease. More than 219,000 patients are diagnosed with lung cancer in the United States every ...
Sep 29, 2009 |
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