Playing favorites: Brain cells prefer one parent's gene over the other's
Saturday, February 25, 2017 - 16:02
in Biology & Nature
It has long been thought that each copy of our DNA instructions -- one inherited from mom and one from dad -- is treated the same. A new study 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.