Scientists can create chimeras, or they can occur naturally. Though rare, chimerism in humans can emerge as early as conception. While pregnant, a mother and baby exchange DNA, making them ...

In work published in 2017, for instance, human cells contributed up to 1 percent of embryonic cells in a human-mouse chimera. In a study published today (April 15) in Cell, researchers describe their ...

Today, Garry and her husband Dan, a transplant cardiologist, are pioneers in the field of interspecies chimera research, the study of organisms containing cells from two different species. Their team ...

A chimera is a hybrid of two species. In this case, scientists working on new possibilities for creating lab-grown organs for human transplants created early embryos that are half-human and half ...