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Last updated on April 18, 2014 at 7:47 EDT

Latest Human genetic variation Stories

2013-11-15 10:31:11

Those of us who want to learn about our ancestors — who they were, where they came from and how they mingled (or didn't) with others around them — often turn to historical records or elderly family members for answers. But a new study by researchers at the Stanford University School of Medicine and the University of Miami Miller School of Medicine indicates that the answers can also be found within our own genes. The researchers compared patterns of genetic variation found in...

2013-04-15 14:04:09

The largest genetic search for "obesity genes" in people of African ancestry has led to the discovery of three new regions of the human genome that influence obesity in these populations and others. University of Louisville School of Public Health and Information Sciences Department of Epidemiology and Population Health researcher Kira Taylor, PhD, and her team today (April 14, 2013), published their findings in Nature Genetics. The study involved more than 70,000 men and women of...

2013-01-11 10:14:47

When Charles Darwin first sketched how species evolved by natural selection, he drew what looked like a tree. The diagram started at a central point with a common ancestor, then the lines spread apart as organisms evolved and separated into distinct species. In the 175 years since, scientists have come to agree that Darwin´s original drawing is a bit simplistic, given that multiple species mix and interbreed in ways he didn´t consider possible (though you can´t fault the guy...

Gene Mutations Begin Showing Up In Last 5,000 Years Of Human Evolution
2012-11-29 10:51:10

Lawrence LeBlond for redOrbit.com - Your Universe Online In a world that´s more than 4 billion years old, humans have only existed for a fraction of that–roughly 200,000 years. In those 200,000 years of existence, not a lot is known about genetic mutation until we close in on the last 5 to 10 thousand years. It is within that time that researchers believe nearly 75 percent of gene mutations have occurred, making our DNA distinctly different now than it was way back when. This...

Clearer Picture On African Human Expansion Revealed
2012-10-23 14:22:42

Brett Smith for redOrbit.com - Your Universe Online One of the biggest sticking points in the scientific debate over the story of human evolution and eventual diaspora from Africa has been how it is told from two opposite sides of the scientific spectrum–the clinically-based genetics community and the field-based anthropological community. The debate has caused some sniping over the years due to conflicting theories. But now, a group of geneticists from Stanford University set out...

Your DNA Has A GPS
2012-08-16 16:02:07

TAU research says genetics can reveal your geographic ancestral origin While your DNA is unique, it also tells the tale of your family line. It carries the genetic history of your ancestors down through the generations. Now, says a Tel Aviv University researcher, it's also possible to use it as a map to your family's past. Prof. Eran Halperin of TAU's Blavatnik School of Computer Science and Department of Molecular Microbiology and Biotechnology, along with a group of researchers from...

2012-05-24 20:08:53

UCLA-Tel Aviv University team models genetic variation in 2-D, 3-D space Understanding the genetic diversity within and between populations has important implications for studies of human disease and evolution. This includes identifying associations between genetic variants and disease, detecting genomic regions that have undergone positive selection and highlighting interesting aspects of human population history. Now, a team of researchers from the UCLA Henry Samueli School of...

2012-05-19 00:12:17

A large survey of human genetic variation, published today in the online version of the journal Science, shows that rare genetic variants are not so rare after all and offers insights into human diseases. "I knew there would be rare variation but had no idea there would be so much of it," said the senior author of the research, John Novembre, an assistant professor of ecology and evolutionary biology and of bioinformatics at UCLA. A team of life scientists studied 202 genes in 14,002...

2012-02-16 14:19:53

Genetic information provided by a large group of specially-designed mice could pave the way to faster human health discoveries and transform the ways people battle and prevent disease. In 15 papers published Feb. 16 in the Genetics Society of America journals Genetics and G3:Genes/Genomes/Genetics, researchers from North Carolina State University, the University of North Carolina at Chapel Hill, The Jackson Laboratory and other universities and labs across the globe highlight a new genetic...

2012-02-10 00:01:48

A recent large and comprehensive analysis of 50,000 genetic variants across 2,000 genes linked to cardiovascular and metabolic function has identified four genes associated with type 2 diabetes (T2D) and six independent disease-associated variants at previously known loci. The findings, which provide valuable insight into the genetic risk for T2D across multiple ethnicities, add to the growing list of genetic variants that affect the risk of developing T2D and could pave the way for...