You’ve always known that you have your dad’s curly hair, your mother’s eyes, and your grandmother’s coloring. But now that you’ve got your data back from 23andMe, you find yourself wondering whose side of the family the wet ear wax comes from (everyone denies having it), as well as whom to thank for the malarial [...]

Tags: 23andMe, adoption, ancestry, family tree, histocompatibility, HLA system, inheiritance