News tagged with genetic variation

Study shows humans still evolving

(PhysOrg.com) -- A new study published in the Proceedings of the National Academy of Sciences provides evidence of human evolution and rapid genetic changes suggesting that, contrary to modern claims, technological and cu ...

Biology / Evolution

created Oct 04, 2011 | popularity 3.5 / 5 (21) | comments 57 | with audio podcast report

Castaway lizards provide insight into elusive evolutionary process

A University of Rhode Island biologist who released lizards on tiny uninhabited islands in the Bahamas has shed light on the interaction between evolutionary processes that are seldom observed.

Biology / Plants & Animals

created Feb 02, 2012 | popularity 4.1 / 5 (13) | comments 0 | with audio podcast

Genome sequenced: Orangutan DNA more diverse than human's, remarkably stable through the ages (w/ Video)

Among great apes, orangutans are humans' most distant cousins. These tree dwellers sport a coat of fine reddish hair and have long been endangered in their native habitats in the rainforests of Sumatra and ...

Biology / Biotechnology

created Jan 26, 2011 | popularity 4.7 / 5 (11) | comments 3 | with audio podcast

European neanderthals were on the verge of extinction even before the arrival of modern humans: study

New findings from an international team of researchers show that most neanderthals in Europe died off around 50,000 years ago.

Other Sciences / Archaeology & Fossils

created Feb 26, 2012 | popularity 4 / 5 (13) | comments 0 | with audio podcast

Shared genes with Neanderthal relatives not unusual

During human evolution our ancestors mated with Neanderthals, but also with other related hominids. In this week's online edition of PNAS (Proceedings of the National Academy of Sciences), researchers from Uppsala Univer ...

Biology / Evolution

created Oct 31, 2011 | popularity 4.5 / 5 (11) | comments 8 | with audio podcast

Like humans, amoebae pack a lunch before they travel

(PhysOrg.com) -- Some amoebae do what many people do. Before they travel, they pack a lunch. In results of a study reported today in the journal Nature, evolutionary biologists Joan Strassmann and David Quelle ...

Biology / Cell & Microbiology

created Jan 19, 2011 | popularity 5 / 5 (8) | comments 0 | with audio podcast

Sex explains why the fit don't always survive

(PhysOrg.com) -- New research from The Australian National University has shown how genetic variation persists through generations, rather than being bred out in an evolution towards a ‘perfect type’.

Biology / Plants & Animals

created Nov 22, 2011 | popularity 4.9 / 5 (8) | comments 12 | with audio podcast

New research suggests European Neandertals were almost extinct long before humans showed up

Western Europe has long been held to be the "cradle" of Neandertal evolution since many of the earliest discoveries were from sites in this region. But when Neandertals started disappearing around 30,000 years ...

Other Sciences / Archaeology & Fossils

created Mar 26, 2012 | popularity 4.4 / 5 (8) | comments 6 | with audio podcast

A 'giant' step toward explaining differences in height: Scientists map height 'hotspots' in the genome

(PhysOrg.com) -- An international collaboration of more than 200 institutions, led by researchers at Children's Hospital Boston, the Broad Institute, and a half-dozen other institutions in Europe and North ...

Medicine & Health / Genetics

created Sep 29, 2010 | popularity 4.3 / 5 (8) | comments 0 | with audio podcast

Evolution by mistake

(PhysOrg.com) -- A major driving force of evolution comes from mistakes made by cells and how organisms cope with the consequences, University of Arizona biologists have found. Their discoveries offer lessons ...

Biology / Evolution

created Jan 24, 2011 | popularity 3.4 / 5 (9) | comments 17 | with audio podcast

Genetic archaeology finds parts of our genome more closely related to orangutans than chimps

In a study published online today in Genome Research, in coordination with the publication of the orangutan genome sequence, scientists have presented the surprising finding that although orangutans and humans are more d ...

Biology / Biotechnology

created Jan 26, 2011 | popularity 5 / 5 (6) | comments 0 | with audio podcast

Believing in the pygmy bunny

Like the Easter Bunny, the Columbia Basin pygmy rabbit of Washington state may soon exist only in our imaginations. None have been seen in the wild since 2004. But a new breeding program is aiming to rebuild ...

Biology / Ecology

created Apr 20, 2011 | popularity 5 / 5 (6) | comments 3 | with audio podcast

Japanese joins the ranks of sequenced genomes

A Japanese has joined the elite club of humans whose genetic code has been fully sequenced, according to research unveiled on Sunday.

Medicine & Health / Genetics

created Oct 24, 2010 | popularity 4.8 / 5 (6) | comments 0

New study suggests that a propensity for one-night stands, uncommitted sex could be genetic

So, he or she has cheated on you for the umpteenth time and their only excuse is: "I just can't help it." According to researchers at Binghamton University, they may be right. The propensity for infidelity could very well ...

Medicine & Health / Psychology & Psychiatry

created Dec 01, 2010 | popularity 3.6 / 5 (7) | comments 11 | with audio podcast

Researchers find extensive RNA editing in human transcriptome

In a new study published online in Nature Biotechnology, researchers from BGI, the world's largest genomics organization, reported the evidence of extensive RNA editing in a human cell line by analysis of RNA-seq data, demons ...

Biology / Biotechnology

created Feb 12, 2012 | popularity 5 / 5 (5) | comments 0 | with audio podcast

Genetic variation

Genetic variation, variation in alleles of genes, occurs both within and among populations. Genetic variation is important because it provides the “raw material” for natural selection.

For more information about Genetic variation, read the full article at Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.