News tagged with population genetics

Interactive map of human genetic history revealed

The interactive map, produced by researchers from Oxford University and UCL (University College London), details the histories of genetic mixing between each of the 95 populations across Europe, Africa, Asia ...

Feb 13, 2014
popularity 5 / 5 (10) | comments 2 | with audio podcast

Genetics that protects your heart

(Medical Xpress)—Researchers have found a key piece of the puzzle as to why an isolated population in Greece may live healthy lives. They have found that a genetic variant known to protect the heart is ...

Dec 23, 2013
popularity 4.3 / 5 (7) | comments 1 | with audio podcast

With population rise, natural laws purge nastiest genes

(Medical Xpress)—As human population grows, disease-causing genetic mutations per individual increase, but each mutation is less harmful, when compared with a population that is not growing, says a Cornell study to be published ...

Oct 03, 2013
popularity 2 / 5 (2) | comments 1 | with audio podcast

Getting rid of unwanted visitors

Gut-dwelling bacteria are attracting increasing attention, particularly those associated with human diseases. Helicobacter pylori is found in the stomach of humans, where it may cause chronic gastritis and ...

Sep 20, 2013
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Researchers tease apart workings of a common gene

Researchers at Weill Cornell Medical College have discovered why a tiny alteration in a brain gene, found in 20 percent of the population, contributes to the risk for anxiety, depression and memory loss.

Sep 19, 2013
popularity 5 / 5 (3) | comments 0 | with audio podcast

Fate of new genes cannot be predicted

New versions of genes, called alleles, can appear by mutation in populations. Even when these new alleles turn the individuals carrying them more fit to survive and reproduce, the most likely outcome is that ...

Sep 13, 2013
popularity 4.5 / 5 (2) | comments 1 | with audio podcast