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.

The Centers for Disease Control and Prevention (CDC) has identified mutations in the the first severe bird flu case in the US that may increase its ability to infect humans. These mutations ...