Her condition, also called Edwards syndrome, occurs when a person has an extra chromosome 18. Her name, Jacobson said ...

But it might also put us at risk for uniquely human brain disorders. The study appears in Nature. The research focused on parts of chromosomes known as human accelerated regions (HARs), which have ...

Human-accelerated regions (HARs) in chromosomes help human neurons grow multiple neurites. When HARs were added to artificial chimpanzee neurons, as seen on the right, they grew extra neurites, ...