(PhysOrg.com) -- A major driving force of evolution comes from mistakes made by cells and how organisms cope with the consequences, University of Arizona biologists have found. Their discoveries offer lessons for creating ...
Evolution
Jan 24, 2011
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Since 1871, when Charles Darwin wrote The Descent of Man, it has been widely accepted that "Variability is the necessary basis for the action of selection." Variability is associated with the ability to adapt, which is clearly ...
Cell & Microbiology
Nov 22, 2010
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By studying similarities in the genes of Scots Pine trees, scientists have shown that the iconic pine forests of Highland Scotland still carry the traces of the ancestors that colonised Britain after the end of the last Ice ...
Plants & Animals
Sep 9, 2010
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Genetic researchers from the University of Pennsylvania have combined data from existing archaeological and linguistic studies of Africa with human genetic data to shed light on the demographic history of the continent from ...
Evolution
May 26, 2010
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The key to human individuality may lie not in our genes, but in the sequences that surround and control them, according to new research by scientists at the Stanford University School of Medicine and Yale University. The ...
Biotechnology
Mar 18, 2010
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The genes that are most beneficial to males are the most disadvantageous for females, and vice versa. However, this genetic conflict between the sexes is important in maintaining genetic variation within a species, researchers ...
Other
Mar 15, 2010
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(PhysOrg.com) -- The unexpected discovery of a new type of genetic variation suggests that natural selection - the force that drives evolution - is both more powerful and more complex than scientists have thought.
Evolution
Feb 17, 2010
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(PhysOrg.com) -- Scientists at The Methodist Hospital Research Institute in Houston recently discovered a simple gene mutation that decreases the chance people will get a flesh-eating disease called necrotizing fasciitis. ...
Biotechnology
Dec 30, 2009
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Rice is the world's most important food crop. Understanding its valuable genetic diversity and using it to breed new rice varieties will provide the foundation for improving rice production into the future and to secure global ...
Biotechnology
Jul 23, 2009
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The genetic predisposition of cows has an effect on the fat and protein content of their milk. Researchers at Wageningen University have spent the past few years examining the scope and significance of genetic variation between ...
Biotechnology
Apr 29, 2009
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