Division of Oral Biology

A face displayed with the chromosomes associated with different facial features
A new study revealed that more than 130 regions in human DNA play a role in sculpting facial features. Understanding the link between specific genes and facial features could be useful for treating facial malformations or for orthodontics.
Through a partnership with genetics company 23andMe, Pitt public health and dental medicine researchers studied nearly 65,000 people to discover at least 49 genes underlying earlobe attachment.