Men tend to lose the Y chromosome from their cells as they age. But because the Y bears few genes other than for male ...
The Y chromosome is inherited only through the paternal line. Sons receive their Y chromosome exclusively from their father.
By late life, a surprising share of men have blood cells that no longer carry the Y chromosome at all, according to large genetic studies in cohorts such as the UK Biobank. That quiet genetic drift ...
Studies show aging men often lose the Y chromosome in some cells, a change now linked to heart disease, cancer, and shorter lifespans.