Genetic Variation Current Events | Genetic Variation News | 11
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Human-chimp difference may be bigger
Approximately 6 percent of human and chimp genes are unique to those species, report scientists from Indiana University Bloomington and three other institutions. view more (2006-12-20)
Gene influences antidepressant response
Whether depressed patients will respond to an antidepressant depends, in part, on which version of a gene they inherit. view more (2006-03-17)
Barcoding endangered sea turtles
Conservation geneticists who study sea turtles have a new tool to help track this highly migratory and endangered group of marine animals: DNA barcodes. view more (2009-09-15)
Study looks at mitochondrial variation in sperm traits and sperm competitive ability
University of Nevada, Reno researchers Jeanne and David Zeh of the Department of Biology have received a five-year, $650,000 grant from the National Science Foundation to investigate the effects of natural mitochondrial variation on sperm traits and sperm competitive ability. view more (2007-09-20)
New behavior may use old genes
Though you may not be able to teach an old dog new tricks, ASU researchers have found that evolution may have taught old genes new tricks in the development of social behavior in honeybees. view more (2006-10-26)
Mental stress reduces blood flow to the heart in patients with gene variation
University of Florida researchers have identified a gene variation in heart disease patients who appear especially vulnerable to the physical effects of mental stress - to the point where blood flow to the heart is greatly reduced. view more (2008-04-16)
A Genome May Reduce Your Carbon Footprint
With the costs of genome sequencing rapidly decreasing, and with the infrastructure now developed for almost anyone with access to a computer to cheaply store, access, and analyze sequence information, emphasis is increasingly being placed on ways to apply genome data to real world problems, including reducing dependency on fossil fuel. view more (2009-05-13)
Gene mutations - possible link to meningitis
Gene mutations may account for a third of all meningococcal meningitis in the UK scientists heard today (Thursday 19 September) at the Society for General Microbiology autumn meeting at Loughborough University. "We have used family studies to calculate that differences in a person`s genetics account for at least one third of the risk of... view more... (2002-08-28)
Homosexual behavior due to genetics and environmental factors
Homosexual behaviour is largely shaped by genetics and random environmental factors, according to findings from the world's largest study of twins. view more (2008-06-30)
The muskox suffered a loss of genetic diversity at the Pleistocene/Holocene transition
The tundra muskox, one of the few large northern mammals to have survived to the present day, saw its genetic diversity decrease greatly at the end of the Pleistocene period, around 10,000 years ago. view more (2005-10-06)
Hopkins researchers release genome data on autism
Researchers at Johns Hopkins' McKusick-Nathans Institute of Genetic Medicine today are releasing newly generated genetic data to help speed autism research. view more (2007-10-23)
Many parents at-risk for cancer disclose genetic test results to children
Predictive genetic testing for adult-onset diseases, including cancer, is generally discouraged until the age at which interventions are believed to be helpful. view more (2007-08-20)
Scientists discover major genetic cause of colorectal cancer
About one-third of colorectal cancers are inherited, but the genetic cause of most of these cancers is unknown. The genes linked to colorectal cancer account for less than 5 percent of all cases. view more (2008-08-15)
How butterflies got their spots: A 'supergene' controls wing pattern diversity
Butterflies are known to employ some interesting convergent evolutionary tactics to survive-some nonpoisonous species have similar wing patterns to those of noxious species that predators avoid. view more (2006-09-26)
Fishing for the Origins of Genome Complexity
Biologists at Georgia Tech have provided scientific support for a controversial hypothesis that has divided the fields of evolutionary genomics and evolutionary developmental biology, popularly known as evo devo, for two years. view more (2005-12-16)
Families shed light on likely causative gene for Alzheimer's
The genetic profile of two large Georgia families with high rates of late-onset Alzheimer's disease points to a gene that may cause the disease, researchers say. view more (2008-05-15)
A unique twin study on the increased cardiometabolic risk in obesity
Obesity and its many related health hazards have become a serious and growing problem worldwide. While environmental and lifestyle factors play a key role in the development of obesity, genetic variation may determine an individual's susceptibility to weight gain and to the rise of obesity-related health risks. view more (2007-02-14)
New evidence ties gene to Alzheimer's
Of dozens of candidates potentially involved in increasing a person's risk for the most common type of Alzheimer's disease that affects more than 5 million Americans over the age of 65, one gene that keeps grabbing Johns Hopkins researchers' attention makes a protein called neuroglobin. view more (2009-05-07)
Identification of genetic variants affecting age at menopause could help improve fertility treatment
For the first time, scientists have been able to identify genetic factors that influence the age at which natural menopause occurs in women. view more (2009-05-26)
Ancient DNA provides clues to the evolution of social behavior
A rare Patagonian rodent known as the colonial tuco-tuco fascinates biologists because it seems to defy all odds. This threatened species has so little genetic diversity that the slightest whiff of climate change or disease should have wiped it off the face of the earth long ago. view more (2006-04-21)
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