genetic mutation

(Newser) - Native Americans are descended from a single group that migrated from Siberia 12,000 years ago, new genetic research suggests. An alternate theory suggested that Native American ancestors migrated in several waves over land and sea from Asia, but the new study shows that native peoples from all over the...

(Newser) - Scientists say they’ve figured out why loners get sick and die young: “a highly suspicious conspiracy of genes” screws up their immune systems, Reuters reports. Their altered DNA can lead to heart disease, arthritis, Alzheimer’s and other problems. “There is something about being isolated and lonely...

(Newser) - Grapevines have extra genes that are responsible for making wine taste and smell so good, a new study finds. A team of researchers from France and Italy (where else?) mapped a pinot noir-related grapevine's genome and found it has twice as many genes linked to resin and oil—which give...

(Newser) - A magic bullet that could treat cystic fibrosis, muscular dystrophy, hemophilia and more than 1,800 other genetic disorders could be available by 2009. Lee Sweeney of UPenn, leader of the team developing the drug, tells the Times of London: “It doesn’t just target one mutation that causes...