The enigmatic Y chromosome has a tendency to disappear from cells with age. Now, research is revealing the long-term impacts this can have on disease risk and life expectancy ...

Human biological sex is determined by the sex chromosomes X and Y. In most cases, females possess two X chromosomes, while males have one X and one Y. However, there is some evidence that the Y ...

The X and Y chromosomes, commonly referred to as the sex chromosomes, are one such pair. They determine the biological sex, reproductive organs, and sexual characteristics that develop in a person.

Researchers at the Texas A&M College of Veterinary Medicine and Biomedical Science s (VMBS) are helping uncover new information about the Y chromosome in horses, which will help owners identify ...

All men and only men have a Y chromosome. This biological fact allows us to trace back in time a direct, largely unchanged genetic line of inheritance from father to son. Every person, male or ...

“Characterizing the Neanderthal Y chromosome helps us to better understand the population divergence that led to Neanderthals and modern humans,” study coauthor Fernando Mendez of Stanford said in a ...

When Nettie Steven discovered the Y chromosome in 1905 while studying the mealworm Tenebrio molitor, she identified it as a sex-determining chromosome. As it turns out, the chromosome also has ...

The sex chromosomes in humans are called X and Y. Females carry two X chromosomes, while males carry one X and one Y chromosome. Cells of the body that contain two sets of chromosomes are called ...

World Athletics president Sebastian Coe said Tuesday that the track and field’s governing body has approved the introduction of cheek swabs and dry blood-spot tests for female athletes in order to ...

Females have two X chromosomes (XX). Males have one X and one Y chromosome (XY). All eggs contain one X chromosome. Half of sperm contain one X chromosome and half contain one Y chromosome.

The X and Y chromosomes, commonly referred to as the sex chromosomes, are one such pair. They determine the biological sex, reproductive organs, and sexual characteristics that develop in a person.