Christine Drea
Research on the subject suggests that somewhere, somehow our squirmy reaction to incest can be expressed genetically. Because of natural selection and all that blah blah, it's thought that there exists a biomechanism that triggers incest avoidance in humans. Well, it looks like some very bold scientists have found a solid starting point for furthur research: lemur hoo-ha's.
Christine Drea, Marylene Boulet, and Marie Charpentier from Duke University carefully obtained genital gland secretions from 17 sexually mature female ring-tailed lemurs.Side note: most species of lemurs live in…