News tagged with genetic variability
Genomic research shows Indians descended from two groups
Sep 23, 2009 |
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(PhysOrg.com) -- In a study published in the September 24th issue of Nature, an international team describes how they harnessed modern genomic technology to explore the ancient history of India, the world' ...
How pathogens have shaped genes involved in our immune system
Jul 28, 2009 |
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(PhysOrg.com) -- A recent study on human genetics on various populations across the world conducted by researchers from the Institut Pasteur and the CNRS (France) has shown how pathogens can shape the patterns of genetic ...
Beetles drive groundbreaking conservation project
May 19, 2009 |
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They are cursed the world over for contaminating food supplies and are a huge commercial pest, but the humble flour beetle is about to play a significant role in the management of endangered species.
Study confirms 3 Neanderthal sub-groups
Apr 15, 2009 |
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The Neanderthals inhabited a vast geographical area extending from Europe to western Asia and the Middle East 30,000 to 100,000 years ago. Now, a group of researchers are questioning whether or not the Neanderthals ...
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What is the risk factor for gastric cancer in a Costa Rican?
Jan 21, 2009 |
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A research group from Costa Rican evaluated risk factors for gastric cancer in Costa Rican regions with contrasting gastric cancer incidence rates (GCIR). They found that although a pro-inflammatory cytokine genetic profile ...
Genetic analysis reveals range of Rett syndrome
Mar 11, 2008 |
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The first comprehensive analysis of the clinical effects of genetic mutations involved in Rett syndrome will enable affected families to receive a more accurate indication of their child’s prognosis.
Sexual practice of polygyny skews genetic variability
Biology /
Sep 26, 2008 |
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Researchers have found DNA evidence that polygyny, the practice among males of siring children with multiple female partners at the same time or successively, has led to an excess of genetic diversity on the X chromosome ...
Bacteria 'invest' wisely to survive uncertain times, scientists report
Nov 02, 2009 |
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Like savvy Wall Street money managers, bacteria hedge their bets to increase their chances of survival in uncertain times, strategically investing their biological resources to weather unpredictable environments.
Genetic and environmental hormonal response to stress in children depends on family context
Feb 20, 2008 |
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A study conducted on 346 19-month-old twins by an international team led by Université Laval professor of psychology Michel Boivin reveals that the genetic and environmental bases of hormonal response to stress depend on ...
Female mice can identify inbred males by their scent
Biology /
Apr 18, 2008 |
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Scientists at the University of Liverpool have found that female mice avoid mating with inbred males by ‘sensing’ the diversity of a protein type in their urine.
Researchers find animal with ability to survive climate change
Biology /
Sep 24, 2008 |
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Queen's researchers have found that the main source of food for many fish - including cod - in the North Atlantic appears to adapt in order to survive climate change.
Scientists take early steps toward mapping epigenetic variability
Aug 14, 2009 |
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Brown University scientists have taken the first steps toward mapping epigenetic variability in cells and tissues. Mapping the human epigenome, similar to the human genome project in the 1990s, could someday ...
Sequencing method yields fuller picture
Biology /
Jul 17, 2007 |
4.6 / 5 (7) |
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University of Southern California biologists have developed a method for sequencing both chromosomes of an organism.
Opposites attract -- how genetics influences humans to choose their mates
May 25, 2009 |
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New light has been thrown on how humans choose their partners, a scientist will tell the annual conference of the European Society of Human Genetics today. Professor Maria da Graça Bicalho, head of the Immunogenetics and ...
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