The pair had helped identify a still-unnamed disease, which they had tied to a particular gene and to a particular somatic mutation—a genetic change that had not been passed down from a parent and was ...

New research indicates individual human neurons may harbor up to 1,000 genetic mutations. A single neuron in a normal adult brain likely has more than a thousand genetic mutations that are not present ...

Most human beings are born with 23 pairs of chromosomes ... s attempt to ensure genetic variation and to avoid passing mutations onto offsprings. The process is called meiosis.

human cases and some poultry in multiple states. The mutations seen in the patient are rare but have been reported in some cases in other countries and most often during severe infections.

The first severe case of bird flu in the U.S. is showing signs of mutation, stoking fears that the virus could become more transmissible among humans, the U.S. Centers for Disease Control and ...