Excessive grooming has genetic link
Spending an hour primping in front of the mirror may not be in vain. Recent research said primpers might be using a survival gene. The gene, Hoxb8, is found in all mammals and is responsible for grooming, hygiene patterns and controlling body parts. Mario Capecchi, professor of genetics at the University of Utah School of Medicine, said when mutated in mice, the gene caused them to excessively groom themselves, creating bald spots and skin wounds. In terms of genetics, humans and mice are almost identical, Capecchi said.