The XX or XY chromosomes define the sex of an individual, but in a significant proportion of men, there may be one too many. People XXY or XYY would then be subject to different health problems as indicated by a recent study conducted at the University of Cambridge.
The genetic heritage of the human being is condensed into 23 pairs of chromosomes, one of which is responsible for sex: XX for women and XY for men. But, , a non-negligible proportion of men have a 1. The modification of the chromosome can be global or partial and relate to its number, its shape or its internal structure. Chromosome segments can be split (duplication), separated (deletion), transposed on…” data-image=”https://cdn.futura-sciences.com/buildsv6/images/midioriginal/4/6/9 /46942a31bc_124182_chromosomal-aberration.jpg” data-url=”https://news.google.com/health/definitions/medicine-chromosomal-aberration-17207/” data-more=”Read more”> .
Indeed, after analyzing medical data from the BioBank UKthey showed that about one in 500 men has sexual, X or Y and more! These men concerned therefore do not have 46 chromosomes but 47 with a sexual signature XXY or XYY. Without making a , this anomaly often goes unnoticed. Only 23% of 47XXY men participating in this study were aware of its existence, and 0.7% for 47XYY. However, Cambridge scientists have shown that this supernumerary could contribute to certain health problems.
An extra sex chromosome favors the appearance of certain diseases
By making the link between their chromosomal particularity and the health problems that the 356 men, aged 40 to 70, developed during the follow-up, the scientists were able to highlight The white light
Visible light wavelengths range from about 380 nm (violet) to 780 nm (red). The visible spectrum is…” data-image=”https://cdn.futura-sciences.com/buildsv6/images/midioriginal/b/6/9/b697a0c09f_85912_lumiere.jpg” data-url=”https:// news.google.com/sciences/definitions/physics-light-326/” data-more=”Read more”> that XXY and XYY increase the risk of type 2 diabetes, and of also called COPD. A can make it possible to identify the anomaly “quite easily” observes Ken Ong, scientist in the same research team. It could become a to be taken into account in the medical follow-up of the patients concerned.