How Genes Determine Our Facial Features

We often see similar facial appearances of family members in photo albums, observing how genes determine certain distinctive features in our bodies.

In-depth genetic knowledge and how our DNA is linked to facial appearance is a relatively new accomplishment by geneticists. 130 chromosomal regions which are associated with our facial shapes and features have been identified, in a comprehensive process involving scanning the DNA of 8000 participants.

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  1. The nose is the most influenced DNA facial feature.
  2. Genetic influence is not uniform or predictable, as certain genetic factors interact with the genome in complex ways, known as epistasis.
  3. Certain facial features are linked with the probability of diseases like cancer.
  4. Genetic understanding of this kind, previously unheard of, will advance personalised treatments and help in forecasting upcoming physical and mental health issues.

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