In Greek mythology, a chimera is a grotesque hybrid. But chimeras are not just tales. Here's how some scientists have been ...

Human chimera work could also shed new light on serious human developmental problems, and even be used to manufacture donor organs---if chimeric embryos are allowed to develop into fetuses.

A chimera is the mythological term given to animals that had other animals’ parts. A lion with a snake for a tail was a chimera. People all over the world told tales of these fantastical beasts.

Scientists in China have reportedly created part human, part monkey chimera embryos for the first time. The team hope the technique will bring animals used to grow human organs for transplantation ...

Human chimeras occur naturally. For example, most mothers carry some cells from each of their children in their blood and most twins carry some cells from their sibling twins.

When chimerism occurs in cattle, the female is sterile—a freemartin. Mrs. McK. and Mrs. W. have each had three children, so human chimeras are not freemartins.

Though rare, chimerism in humans can emerge as early as conception. While pregnant, a mother and baby exchange DNA, making them "microchimeras." Chimera in humans can manifest in heterochromia.