by Kate Brunotts With the holidays in full swing, it’s time for me to find the perfect gift for my uncle I haven’t seen in a year and a half. And with my weak imagination, I’ve been two steps away from ordering a home DNA test kit.   As a personal

DNA tests—like those offered by companies 23andMe, Ancestry.com, and FamilyTreeDNA—come with a simple promise. In exchange for cash and some spit in a tube, you can learn your deepest, most ancestral secrets.