Playing Favorites: Brain Cells Prefer One Parent’s Gene Over the Other’s

A new study from scientists at the University of Utah School of Medicine shows that it is not uncommon for cells in the brain to preferentially activate one copy over the other. The finding breaks basic tenants of classic genetics and suggests new ways in which genetic mutations might cause brain disorders.

 National Human Genome Research Institute (http://www.genome.gov/17516876) [Public domain], via Wikimedia Commons

National Human Genome Research Institute (http://www.genome.gov/17516876) [Public domain], via Wikimedia Commons