Men losing Y chromosomes as they age may face a higher risk of heart disease, cancer, and reduced life expectancy. Here’s ...

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 ...

The human genome is organised in 46 chromosomes, where all but the x and y chromosomes in men are present in two copies. This means that a person with a faulty gene on one chromosome most often has a ...

Developing elite fruit cultivars typically requires long breeding cycles, especially in perennial woody species. This study uncovers how sexual reproduction of a fertile triploid loquat generates a ...

Prenatal genetic tests can detect sex chromosome aberrations, but what happens after—for families and children—is anything but clear. When Ollie’s mother, Katie, was nine weeks pregnant, her ...

THE existence of sub-diploid chromosome numbers in the somatic tissues of mammals has for long been a matter of controversy. This had centred around several earlier reports of the normal occurrence of ...