Why do humans rely on XY chromosomes to determine sex, while birds use ZW—and many reptiles use neither, letting temperature ...

For a long time, so-called satellite DNA was considered largely worthless. Now, ETH Zurich researchers have shown in fruit ...

An essential region of our chromosomes changes far more rapidly than one might imagine. A large-scale analysis of human ...

Repetitive DNA near chromosome centers forms a unique barcode for partner recognition. This barcode guides chromosomes to ...

A sweeping analysis of thousands of animal genomes suggests that chromosomes do not evolve randomly but instead follow a limited number of irreversible “evolutionary highways.” These one-way genetic ...

Scientists were able to identify chromosomes under the microscope as early as the 19th century. But what did it take for them to figure out how important chromosomes really are? Aa Aa Aa The second ...

A human cell carries in its nucleus two meters of spiraling DNA, split up among the 46 slender, double-helical molecules that are its chromosomes. Most of the time, that DNA looks like a tangled ball ...

Chromosomes are thread-like structures located inside the nucleus of animal and plant cells. Each chromosome is made of protein and a single molecule of deoxyribonucleic acid (DNA). Passed from ...

I still recall my disappointment one day in 2015. I received the tumor DNA sequencing results for one of my patients, whose cancer had spread from her lungs to her brain. I saw not a single genetic ...