News tagged with nuclear and mitochondrial dna
'Great speciators' explained: It's intrinsic
New molecular research shows that birds within the family Zosteropidae—named white eyes for the feathers that frame their eyes—form new species at a faster rate than any other known bird. Remarkably, unlike ...
Biology /
Jan 26, 2009 |
4.3 / 5 (3) |
0
Search results for nuclear and mitochondrial dna
A new glimpse into ancient human history
Analyzing DNA from four ancient skeletons and comparing it with thousands of genetic samples from living humans, a group of Scandinavian scientists reported that agriculture initially spread through Europe because farmers ...
Apr 30, 2012 |
5 / 5 (10) |
1
New study suggests polar bears evolved earlier than previously thought
(Phys.org) -- A new genetic analysis carried out by and international team of scientists has revealed that polar bears and brown bears may have diverged around 600,000 years ago, which is much earlier than ...
Genetic study unravels ancient links between African and European populations
Large numbers of people moved between Africa and Europe during recent and well-documented time periods such as the Roman Empire, the Arab conquest, and the slave trade, and genetic evidence of these migrations lives on in ...
Mar 26, 2012 |
3 / 5 (7) |
1
|
Hiding in plain sight: Scientist discovers new frog species in New York and New Jersey
(PhysOrg.com) -- In the wilds of New York City -- or as wild as you can get so close to skyscrapers -- scientists have found a new leopard frog species that for years biologists mistook for a more widespread ...
Mar 14, 2012 |
not rated yet |
0
|
A new species of bamboo-feeding plant lice found in Costa Rica
Several periods of field work during 2008 have led to the discovery of a new species of bamboo-feeding plant lice in Costa Rica's high-altitude region "Cerro de la Muerte". The discovery was made thanks to ...
Feb 06, 2012 |
not rated yet |
0
World-first discovery of hybrid sharks off Australia's east coast
(PhysOrg.com) -- Hybrid black tip shark containing both Common and Australian black tip DNA.
Dec 22, 2011 |
5 / 5 (1) |
7
A hitchhiker's guide to the Galapagos: co-evolution of Galapagos mockingbirds and their parasites
Along with the famous finches the Galapagos mockingbirds had a great influence on Charles Darwin's theory of evolution. Now, 176 years later, three of the four mockingbird species are among the rarest birds ...
Oct 03, 2011 |
not rated yet |
0
Endangered horse has ancient origins and high genetic diversity, new study finds
An endangered species of horse -- known as Przewalski's horse -- is much more distantly related to the domestic horse than researchers had previously hypothesized, reports a team of investigators led by Kateryna ...
Sep 07, 2011 |
4.9 / 5 (7) |
0
|
Ancestry of polar bears traced to Ireland
An international team of scientists has discovered that the female ancestor of all living polar bears was a brown bear that lived in the vicinity of present-day Britain and Ireland just prior to the peak of ...
Jul 07, 2011 |
5 / 5 (2) |
5
|
Trails tell tails of how leaf miners conquered Europe
The leaf miner, Cameraria ohridella, still unknown three decades ago, has spread throughout the whole of central Europe. The insect made its way north, west and east by truck and rail. Fighting it seems impossible. ...
Jun 24, 2011 |
not rated yet |
0
List of search results for nuclear and mitochondrial dna