Add Yahoo as a preferred source to see more of our stories on Google. Imane Khelif failed a gender eligibility test due to the presence of certain chromosomes, the International Boxing Association ...

While sex chromosomes carry sex-determining genes, they also often differ from autosomes in size and composition, consisting mainly of silenced heterochromatic repetitive DNA. Even though Y ...

A chromosome is a DNA molecule that contains genetic material. Sex chromosomes are chromosomes that affect your sexual anatomy and reproductive development. Most of us were raised with the idea that ...

In dividing cells, chromosomes are coated in a sheath of proteins and RNA called the mitotic chromosome periphery. This sheath is thought to confer biophysical properties to chromosomes, critical for ...

For successful cell division, chromosomal DNA needs to be packed into compact rod-shaped structures. Defects in this process can lead to cell death or diseases like cancer. A new study has shown how ...

Imane Khelif failed a gender eligibility test due to the presence of certain chromosomes, the International Boxing Association (IBA) has said. Taiwan’s Lin Yu-ting, 28, has faced similar backlash ...