News tagged with genetic divergence
Shape-shifting coral evade identification
Biology /
Feb 24, 2009 |
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The evolutionary tendency of corals to alter their skeletal structure makes it difficult to assign them to different species. Researchers writing in the open access journal BMC Evolutionary Biology have used genetic marker ...
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Modeling Genomic Erosion
Biology /
Jan 15, 2009 |
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(PhysOrg.com) -- Even though scientists have successfully sequenced the human genome, they still lack a clear picture of exactly how coding and non-coding DNA sequences function together, or how genomes evolve ...
Estimation of isolation times in the Drosophila simulans complex
Jun 25, 2008 |
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The Drosophila simulans species complex continues to serve as an important model system for the study of new species formation. The complex is comprised of the cosmopolitan species, D. simulans, and two island endemics, D. ...
Back to the future: Mastodon extends the time limit on DNA sequencing
Biology /
Jul 24, 2007 |
4.5 / 5 (22) |
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In a new paper in the open access journal PLoS Biology, Michael Hofreiter from the Max Planck Institute for Evolutionary Anthropology in Germany, and colleagues from Switzerland and the United States, announce the sequencing ...
It started with a squeak: Moonlight serenade helps lemurs pick mates of the right species
Biology /
May 07, 2008 |
3 / 5 (1) |
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Lonely hearts columns testify that finding a partner can be hard enough, but at least most human beings can be fairly certain that when we do we have got one of the right species. Things aren’t so simple for ...
Woolly-Mammoth Gene Study Changes Extinction Theory
Biology /
Jun 10, 2008 |
4.5 / 5 (37) |
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A large genetic study of the extinct woolly mammoth has revealed that the species was not one large homogenous group, as scientists previously had assumed, and that it did not have much genetic diversity.
Color differences within and between species have common genetic origin
Oct 22, 2009 |
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(PhysOrg.com) -- Spend a little time people-watching at the beach and you're bound to notice differences in the amount, thickness and color of people's body hair. Then head to the zoo and compare people to chimps, our closest ...
Inconspicuous leaf beetles reveal environment's role in formation of new species
Oct 30, 2009 |
4.4 / 5 (5) |
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(PhysOrg.com) -- Unnoticed by the nearby residents of St. Johnsbury, Vermont, tiny leaf beetles that flit among the maple and willow trees in the area have just provided some of the clearest evidence yet that ...
Study Reveals Genetic Secrets Of Pacific Sea Louse
Apr 01, 2009 |
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(PhysOrg.com) -- Sea lice found in the Pacific Ocean are very different genetically from sea lice in the Atlantic Ocean, a study team co-led by a University of Victoria researcher has found.
Gene's 'selective signature' aids detection of natural selection in microbial evolution
Biology /
Mar 18, 2008 |
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Scientists at MIT have come up with a mathematical approach for analyzing a protein simultaneously in a set of ecologically distinct species to identify occurrences of natural selection in an organism’s evolution.
No sex for 40 million years? No problem
Biology /
Mar 20, 2007 |
4.4 / 5 (59) |
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A group of organisms that has never had sex in over 40 million years of existence has nevertheless managed to evolve into distinct species, says new research published today. The study challenges the assumption ...
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