Trisomy is a genetic condition characterized by the presence of an extra chromosome. This means that the affected person has ...

An article by UAB professor Joan-Ramon Daban analyzes in depth the physical problems associated with DNA packaging that have ...

Chromosomes are tightly coiled structures in each of your cells that contain DNA, the code for all life. DNA is organized in segments on chromosomes called genes. Humans typically have 46 ...

A new report from the VITAL study—a large, long-term randomized clinical trial—has found that taking vitamin D supplements ...

To prepare the 46 chromosomes of a human cell for transport to the daughter cells during cell division, each chromosome forms a compact X-shaped structure with two rod-like copies.How the cell ...

In hindsight, it seems surprising that the number of human chromosomes was not determined until 1956. After all, cytologists had been studying chromosome behavior since the late nineteenth century ...

Sex chromosomes are the genetic elements that define a person's biological sex. Learn about the XX and XY chromosomes, the sex determination system, and other chromosome combinations.

In a newly published article in Nature Genetics, researchers from the University of Chicago have identified tumor ...

A neglected piece of the Alzheimer's puzzle has been getting increased scientific attention: why women are twice as likely as ...

The chromosomes, which the researchers point out are “non-mineralized fossils, or subfossils,” are in a state of preservation good enough to assemble the genome, ...

The chromosomes, which the researchers point out are “non-mineralized fossils, or subfossils,” are in a state of preservation good enough to assemble the genome, ...

A piece of woolly mammoth skin excavated from the Siberian permafrost has been found to contain fossil chromosomes in a first-of-its-kind discovery, according to a new study.