The nose can be controlled by these genes.
In a study of facial features in humans, some of the decisive genes that regulate the shape of the human nose surfaced.
Why do some people have sharp and narrow noses, and some people have wide noses or large nostrils? The scientists scanned the genome of about 6,000 people and found four pairs of genes involved in regulating the shape of the nose and a pair of genes that affect the degree of chin protrusion.
Researchers believe that these findings will help us understand our own evolutionary history. Andrés Ruiz-Linares, professor of human genetics at the University College London, who led the study, said: "Now our main job is to try to identify these genes and use them to understand our evolutionary problems - to what extent are the evolution of these traits Adaptable, to what extent can they reflect the history of the population."
Why do some people have sharp and narrow noses, while others have wide noses or large nostrils? The scientists scanned the genomes of about 6,000 different individuals to find the answer to this question.
In addition, the researchers believe that this study can also help us better understand developmental defects, and even provide courtiers with more accurate facial reconstruction of suspects.
But some people are skeptical about this. The genetic variants associated with each trait have been found to account for only about 1% of the observed variation in the population, indicating that more genes are at work. Manfred Kayser, director of the Institute of Genetics and Research at Erasmus University in the Netherlands, said: "Before applying the relevant genes to predict facial features based on DNA, we
These results need to be confirmed first in larger studies, and the results should be replicated in samples that are not relevant. â€
In a paper published in the journal Nature Communications, the researchers used DNA samples and photographs from 5,958 participants from Latin American countries. The author explains that this community (Latin American population) offers a great opportunity to explore the diversity of facial features as Latin Americans live with Native American, European and African descent. Ruiz-Linares. “Europeans usually have narrow, protruding noses, while Native Americans have flatter, wider noses.â€
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