(Phys.org) —A team of researchers at Florida State University has found an epigenetic factor involved in voles' lifelong pair bonding. In their paper published in the journal Nature Neuroscience, the researchers describe ...
The human body contains trillions of cells, all derived from a single cell, or zygote, made by the fusion of an egg and a sperm. That single cell contains all the genetic information needed to develop into a human, and passes ...
Cell & Microbiology
May 5, 2013
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(Phys.org) —University of Arizona geneticists have discovered the oldest known genetic branch of the human Y chromosome – the hereditary factor determining male sex.
Biotechnology
Mar 4, 2013
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Researchers have discovered a social chromosome in the highly invasive fire ant that helps to explain why some colonies allow for more than one queen ant, and could offer new solutions for dealing with this pest.
Biotechnology
Jan 16, 2013
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A genetic mutation that occurred thousands of years ago might be the answer to how early humans were able to move from central Africa and across the continent in what has been called "the great expansion," according to new ...
Biotechnology
Sep 19, 2012
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(Phys.org) -- Fruit flies are commonly used in genetics research because their lifespan is short, they are easy to breed in the laboratory, and mutants are widely available. There are about 1,500 known species. Now a new ...
For the first time, the genome of the tomato, Solanum lycopersicum, has been decoded, and it becomes an important step toward improving yield, nutrition, disease resistance, taste and color of the tomato and other crops. ...
Biotechnology
May 30, 2012
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(PhysOrg.com) -- If you were to discover that a fundamental component of human biology has survived virtually intact for the past 25 million years, you'd be quite confident in saying that it is here to stay.
Biotechnology
Feb 22, 2012
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Cells trying to keep pace with constantly changing environmental conditions need to strike a fine balance between maintaining their genomic integrity and allowing enough genetic flexibility to adapt to inhospitable conditions. ...
Cell & Microbiology
Jan 29, 2012
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In the quest to understand genomes -- how they're built, how they're organized and what makes them work -- a team of Johns Hopkins researchers has engineered from scratch a computer-designed yeast chromosome and incorporated ...
Cell & Microbiology
Sep 14, 2011
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