Which face is the prettiest?
Beautiful faces are the result of a mixture of factors, including genetics and environment, says a new study led by researchers from the University of Cambridge.
They analysed more than 700 photos of a sample of the world’s prettiest people, and found that they all share a common feature: beauty is mostly a result of genetics.
In the same study, published in the journal PLOS ONE, the researchers found that while there are several genes involved in the production of beauty, they are relatively recent developments in humans, suggesting that they are not part of our DNA, but instead arose independently thousands of years ago.
The researchers also found that the appearance of a face has a genetic component, too, which suggests that the genes involved are active in shaping our facial appearance.
“We have now found evidence that genes can influence facial expression, as well as a broad range of traits,” said lead author Dr James S. Campbell, a professor in the Department of Psychology at the University’s Department of Anthropology.
“Our findings suggest that genes may play a key role in the development of facial beauty and could potentially be a cause of facial attractiveness in the future.”
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Beauty genes Scientists and researchers are finding many different ways in which genes influence the appearance and functioning of the body, but the most obvious are genes that can influence a person’s hair colour and skin tone.
So far, these genes have been identified in only one or two people, but recent studies have shown that these genes can also influence the development and function of the eyes and hair follicles in humans.
The most common gene involved in this is the melanocortin-3 receptor gene, which affects the production and regulation of melanin, a pigment that makes skin appear darker and shinier.
In mice, this gene has been linked to facial hair, which has been shown to produce a strong response in the mouse testes.
Another gene that affects hair colour is the Drosophila melanogaster melanocortex-1 gene.
This gene is also associated with facial hair.
Other genes that influence hair colour include the melanogastric-derived gene, the melanin receptor, and the melanosome-derived receptor.
It is these genes that affect hair colour.
The melanosomes also make skin appear greener and shininess, so it is likely that these traits have something to do with the melanocyte, the body’s pigment-producing cells.
Another genes involved with hair are the melanophore-binding protein-1 (MBBP-1), a gene that makes cells that produce melanin.
The MBBP-5 gene, found in human melanocytes, regulates the expression of melanosomal protein, which regulates the production, storage and transport of melanocytes.
Another important gene involved with facial appearance is the retinoid-like melanoclast protein (MRMP).
MRMP is involved in skin colouring and can be found in the eyes, the eyelids, eyebrows and the inner corners of the mouth.
It also influences the production in the skin of a pigment called melanococcinum, which produces pigments that are also visible on the face.
Another key gene involved is the alpha-1-antitrypsin-like protein-2 (AAP-2), which is involved with melanogenesis, the process that produces hair.
It can be thought of as the ‘eyes and hair’ gene.
Another significant gene involved are the oxytocin receptor (OR), which has also been linked with facial beauty.
Oxytocin is released in the womb, and in humans it is known to have an effect on the brain and body, and it has also long been associated with attractiveness.
It has also recently been linked in humans to the development, expression and maintenance of romantic relationships.
Another major gene involved for facial attractiveness is the neuropeptide Y, which plays a role in emotion, and can cause feelings of trust, trustworthiness and trustworthiness.
It plays a part in social and emotional processing, and is known for its role in communication, self-esteem and trust.
But what does it mean for us as a species?
The findings suggest the genetics of beauty is a complex trait.
Genes that can make us look attractive or make us feel desirable are not necessarily genes that we need to have in our genes to be beautiful.
And although beauty genes are often linked to traits such as intelligence, they can also have a wide range of effects on human development, so they can contribute to human wellbeing and health.
The scientists say the results should encourage us to think more carefully about how we use beauty genes, as they may contribute to how our genes influence our facial attractiveness and how it affects our health.
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