(PhysOrg.com) -- Scientists studying tropical guppies have discovered that the less colorful and attractive males have better quality sperm, while the attractive fish invest in their appearance at the expense of sperm quality.
(PhysOrg.com) -- David Page, director of the Whitehead Institute and professor of biology at Massachusetts Institute of Technology, says research indicates the much-maligned Y chromosome plays a more critical role in genetics ...
Biotechnology
Apr 20, 2010
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A method pioneered to find the genetic basis of human diseases also holds promise for locating the genes behind important traits in plants, according to a study published online March 24 by the journal Nature.
Biotechnology
Mar 24, 2010
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A Chinese-led team including international researchers, has shed new light on some of the giant panda's unusual biological traits, including its famously restricted diet.
Plants & Animals
Feb 18, 2010
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(PhysOrg.com) -- Scientists at the University of Toronto have discovered a way to map the interactions of genes within a cell, a significant breakthrough that promises to help researchers better understand the causes of disease, ...
Cell & Microbiology
Jan 25, 2010
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Researchers at Emory University School of Medicine have determined the structures of two enzymes that customize histones, the spool-like proteins around which DNA coils inside the cell.
Cell & Microbiology
Dec 20, 2009
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(PhysOrg.com) -- Scientists here have identified how the motions of an enzyme are related to correctly copying genetic instructions, setting the stage for studies that can uncover what happens when DNA copying mistakes are ...
Biochemistry
Oct 27, 2009
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(PhysOrg.com) -- When Professor Joel Levine's team genetically tweaked fruit flies so that they didn't produce certain pheromones, they triggered a sexual tsunami in their University of Toronto Mississauga laboratory. In ...
Plants & Animals
Oct 14, 2009
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(PhysOrg.com) -- Whether for introduced muskrats in Europe or oak trees in the United Kingdom, zebra mussels in United States lakes or agricultural pests around the world, scientists have tried to find new ways of controlling ...
Ecology
Sep 17, 2009
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When female tiger salamanders choose a mate, it turns out that size does matter - tail size that is - and that's not the only factor they weigh.
Plants & Animals
Jun 8, 2009
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