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Twin Research Reveals Which Facial Features Are Most Controlled by Genetics


Identical twin girls.

King's College London researchers reviewing three-dimensional facial simulations of about 1,000 female twins, determined the shapes of several facial features were highly shaped by genetics.

Credit: babynameslog.com

Researchers at King's College London in the U.K. reviewed three-dimensional (3D) facial simulations of about 1,000 female twins, and found the shapes of the end of the nose, the area above and below the lips, cheekbones, and the inner corner of the eye were highly shaped by genetics.

"By combining 3D models of the face with a statistical algorithm that measures local changes in shape, we have been able to create detailed 'face heritability maps,'" says King's College London professor Giovanni Montana. "These maps will help identify specific genes shaping up the human face, which may also be involved in diseases altering the face morphology."

The team scanned twins' faces and measured their curvature at thousands of points. By observing which parts of the face are most similar in shape in a pair of identical twins, they calculated the probability the shape of that area is genetically influenced.

From King's College London
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Abstracts Copyright © 2017 Information Inc., Bethesda, Maryland, USA


 

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