Do You Have Magical DNA?
Dominant magical genes in human DNA determine whether or not you have the magical abilities needed to make it in the wizarding world. And it’s not just the DNA of wizards or witches that can qualify you as a wand-wielder. Answer a few simple questions and find out if you possess DNA from any of the fantastic beasts or magical creatures of the wizarding world.
Born to a pair of non-wizarding Muggles, Hermione Granger is an exception to the rule that magical ability runs in the family. She was born with a dominant magical gene despite her parentage. This may suggest that a witch or wizard is hidden somewhere in her family tree.