News tagged with genetic relatedness
Appearance not always enough to identify species
Linnaean taxonomy is still a cornerstone of biology, but modern DNA techniques have erased many of the established boundaries between species. This has made identifying species difficult in practice, which ...
Nov 16, 2010 |
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Tracking MRSA evolution and transmission
For the first time, researchers have shown how transmission of MRSA from one person to another can be precisely tracked in a hospital setting. The team have developed a remarkable new method that can 'zoom' from large-scale ...
Medicine & Health / Diseases, Conditions, Syndromes
Jan 21, 2010 |
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The importance of grandmothers in the lives of their grandchildren
(PhysOrg.com) -- It is widely believed that women live long post-reproductive lives to help care for their grandchildren. According to the "Grandmother Hypothesis," post-menopausal women can increase their ...
Oct 29, 2009 |
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Orphaned elephants forced to forge new bonds decades after ivory ban
An African elephant never forgets - especially when it comes to the loss of its kin, according to researchers at the University of Washington. Their findings, published online in the journal, Molecular Ecology, reveal that ...
Biology /
Jan 20, 2009 |
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Search results for genetic relatedness
Finding the roots and early branches of the tree of life
A study published in PLoS Computational Biology maps the development of life-sustaining chemistry to the history of early life. Researchers Rogier Braakman and Eric Smith of the Santa Fe Institute traced the six methods of car ...
Apr 19, 2012 |
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The Viking journey of mice and men
House mice (Mus musculus) happily live wherever there are humans. When populations of humans migrate the mice often travel with them. New research published in BioMed Central's open access journal BMC Evolutionary Biology h ...
Mar 19, 2012 |
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Southern link offers hope for critically endangered Maui's dolphins
There are estimated to be just 55 adult and juvenile Maui’s dolphins according to a joint study by The University of Auckland, Department of Conservation and Oregon State University. With appropriate protections, however, ...
Mar 14, 2012 |
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Surprising diversity at a synapse hints at complex diversity of neural circuitry
A new study reveals a dazzling degree of biological diversity in an unexpected place – a single neural connection in the body wall of flies.
Feb 22, 2012 |
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Not the black sheep of domestic animals
Mapping the ancestry of sheep over the past 11,000 years has revealed that our woolly friends are stars among domestic animals, boasting vast genetic diversity and substantial prospects for continued breeding to further boost ...
Feb 07, 2012 |
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I wanna talk like you (oo)
The role of social structure in animal communication is hotly debated. Non-human primates seem to be born with a range of calls and sounds which is dependent upon their species. But overlying this there seems to be some flexibility ...
Dec 16, 2011 |
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Experiments explain why almost all multicellular organisms begin life as a single cell
Any multicellular animal, from a blue whale to a human being, poses a special difficulty for the theory of evolution. Most of the cells in its body will die without reproducing, and only a privileged few will ...
Dec 15, 2011 |
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Catching camels in the Gobi
In Oct. 2011 Professor Chris Walzer and Dr. Gabrielle Stalder, veterinary scientists at the Research Institute of Wildlife Ecology at the Veterinary Science University, Vienna, successfully attached GPS satellite collars ...
Nov 11, 2011 |
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World's largest sheep an international traveler
A genetic study of the world's largest sheep species has revealed that the big-horned animals travel extensively across the moutainous borders of Afghanistan, Tajikistan, and China according to Wildlife Conservation ...
Jul 22, 2011 |
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Robots learn to share, validating Hamilton's rule (w/ video)
Using simple robots to simulate genetic evolution over hundreds of generations, Swiss scientists provide quantitative proof of kin selection and shed light on one of the most enduring puzzles in biology: Why ...
May 03, 2011 |
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List of search results for genetic relatedness
