Basic facial expressions heriditary

The views expressed here do not necessarily reflect the views of these organizations. Facial expressions are important parts of how we communicate and how we develop impressions of the people around us. He hypothesized that certain facial expressions are innate, and therefore universally expressed and recognized across all cultures. They enlisted members of the Fore tribe in Papua New Guinea, who at the time had little contact with Western culture, to do an emotion recognition task. The researchers also took photos of the facial expressions of the Fore people and showed them to Americans later. This is strong evidence that certain emotions are evolutionarily based.

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Facial Genetics: A Brief Overview

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Hereditary facial features could be strongly influenced by a single gene variant -- ScienceDaily

Do you have your grandmother's eyes? Or your father's nose? A new study by the Universities of Oxford and Surrey has uncovered variations in singular genes that have a large impact on human facial features, paving the way to understanding what determines the facial characteristics passed on from generation to generation. The study, which has been published by Proceedings of the National Academy of Sciences , found that a single gene variant can have a large and specific effect on a person's facial features and highlighted three such examples of genetic variants. The images were taken and processed using a state-of-the-art 3dMD camera and software.
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Study finds facial expressions are inherited

John R. A new study reveals more than 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. Just look in the family photo album and observe the same nose, eyes or chin on your grandparents, cousins and uncles and aunts. Perhaps you have seen or know someone with a genetic syndrome — that often results from a damaging alteration to one or more genes — and noticed the often distinctive facial features.
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Historically, craniofacial genetic research has understandably focused on identifying the causes of craniofacial anomalies and it has only been within the last 10 years, that there has been a drive to detail the biological basis of normal-range facial variation. This initiative has been facilitated by the availability of low-cost hi-resolution three-dimensional systems which have the ability to capture the facial details of thousands of individuals quickly and accurately. Simultaneous advances in genotyping technology have enabled the exploration of genetic influences on facial phenotypes, both in the present day and across human history. There are several important reasons for exploring the genetics of normal-range variation in facial morphology. The facial surface is readily visible and identifiable with a close relationship to the underlying cartilaginous and skeletal structures Stephan et al.
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