News tagged with genetic studies

Related topics: mutations , genetic variation

Skulls show New World was settled twice: study

Two distinct groups from Asia settled in the New World and not one single migration as suggested by previous genetic studies, experts said Monday after comparing the skulls of early Americans.

Other Sciences / Archaeology & Fossils

created Jun 14, 2010 | popularity 4.7 / 5 (32) | comments 10

Scientists present the largest-to-date genetic snapshot of Iceland 1,000 years ago

Scientists at deCODE genetics have completed the largest study of ancient DNA from a single population ever undertaken. Analyzing mitochondrial DNA, which is passed from mother to offspring, from 68 skeletal remains, the ...

Medicine & Health / Genetics

created Jan 16, 2009 | popularity 4.4 / 5 (8) | comments 0

DNA traces cattle back to a small herd domesticated around 10,500 years ago

All cattle are descended from as few as 80 animals that were domesticated from wild ox in the Near East some 10,500 years ago, according to a new genetic study.

Biology / Evolution

created Mar 27, 2012 | popularity 5 / 5 (7) | comments 0 | with audio podcast

Using Superheroes to Teach Physics: College Courses in Sci-Fi

(PhysOrg.com) -- One of the more perplexing questions facing science these days is this one: How do we get more young people interested in science? Leading the way are a number of college courses -- that can ...

Other Sciences / Other

created Mar 31, 2009 | popularity 4.1 / 5 (7) | comments 5 weblog

Lizard fossil provides missing link in debate over snake origins

(PhysOrg.com) -- Until a recent discovery, theories about the origins and evolutionary relationships of snakes barely had a leg to stand on.

Biology / Evolution

created May 18, 2011 | popularity 3.9 / 5 (7) | comments 2 | with audio podcast

A hop from South America -- tracking Australian marsupials

Debates have raged for decades about how to arrange the Australian and South American branches of the marsupial family tree.

Biology / Plants & Animals

created Jul 27, 2010 | popularity 4.8 / 5 (5) | comments 0 | with audio podcast

Study: Eastern wolves are hybrids with coyotes

Wolves in the eastern United States are hybrids of gray wolves and coyotes, while the region's coyotes actually are wolf-coyote-dog hybrids, according to a new genetic study that is adding fuel to a longstanding ...

Biology / Plants & Animals

created May 31, 2011 | popularity 4.8 / 5 (4) | comments 0

Tiny roundworm points to big promise

Two related studies from Northwestern University offer new strategies for tackling the challenges of preventing and treating diseases of protein folding, such as Alzheimer's, Parkinson's and Huntington's diseases, amyotrophic ...

Biology / Biotechnology

created Jan 06, 2012 | popularity 4.8 / 5 (4) | comments 1 | with audio podcast

Men can rest easy -- sex chromosomes are here to stay

Fears that sex-linked chromosomes, such as the male Y chromosome, are doomed to extinction have been refuted in a new genetic study which examines the sex chromosomes of chickens.

Biology / Biotechnology

created May 08, 2012 | popularity 4.8 / 5 (4) | comments 2 | with audio podcast

Paper set to open door to new phase of evolutionary biology

(PhysOrg.com) -- Research by evolutionary biologist Professor Roger Thorpe and his world-leading team of herpetologists at Bangor University's School of Biological Sciences is contributing to a change in the ...

Biology / Evolution

created May 07, 2010 | popularity 4 / 5 (4) | comments 2

Ancient wild horses help unlock past

An international team of researchers has used ancient DNA to produce compelling evidence that the lack of genetic diversity in modern stallions is the result of the domestication process.

Biology / Plants & Animals

created Aug 23, 2011 | popularity 4 / 5 (4) | comments 0 | with audio podcast

Double-teaming a whole-genome hunt

By inspecting the sequence of all 3 billion "letters" that make up the genome of a single person affected with a rare, inherited disorder, a Johns Hopkins and Duke University team ferreted out the single genetic mutation ...

Medicine & Health / Genetics

created Jul 12, 2010 | popularity 5 / 5 (3) | comments 0

Study: Wild Cuban crocodiles hybridize with American crocs

A new genetic study by a team of Cuban and American researchers confirms that American crocodiles are hybridizing with wild populations of critically endangered Cuban crocodiles, which may cause a population ...

Biology / Plants & Animals

created Jun 22, 2011 | popularity 4.7 / 5 (3) | comments 1 | with audio podcast

DNA study suggests Asia was settled in multiple waves of migration

An international team of researchers studying DNA patterns from modern and archaic humans has uncovered new clues about the movement and intermixing of populations more than 40,000 years ago in Asia.

Biology / Biotechnology

created Sep 22, 2011 | popularity 4.7 / 5 (3) | comments 0 | with audio podcast

Whale-sized genetic study largest ever for southern hemisphere humpbacks

After 15 years of research in the waters of the South Atlantic and Indian Oceans, scientists from the Wildlife Conservation Society, the American Museum of Natural History, and an international coalition of ...

Biology / Plants & Animals

created Oct 14, 2009 | popularity 5 / 5 (2) | comments 0