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Science 'Junk' DNA could determine face shape, scientists say

New research suggests that so-called junk DNA might not be so worthless after all. It might actually help us tell each other apart.

By Bahar GholipourLivescience.com Staff Writer / October 25, 2013

Eric Gaillard/Reuters

Face shape is largely determined by genetics, yet no two faces are entirely alike. How do genes bring about faces with subtle differences while avoiding dramatic disruptions and facial malformations such as cleft lip and palate? The answer may be in the "junk DNA," a new study has found.