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

It is sad, but true, that much of what is known about how human brains work has been learned by studying brains that are broken. Injuries caused by disease or accident show, from the list of ...

Research indicates women generally outlive men due to biological advantages. Genetics, hormones, and anatomical differences ...

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

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.

Among the many marvels of life is the cell's ability to divide and thus enable organisms to grow and renew themselves. For this, the cell must duplicate its DNA—its genome—and segregate it ...

Women with the condition actually have some of the same health risks as men who have lost their Y chromosomes — cardiovascular abnormalities and non-ischemic heart failure.

Learn about the structure and function of chromosomes, the role they play in genetics, and how they influence your health and shape medical research.

A piece of woolly mammoth skin excavated from permafrost has been found to contain fossilized chromosomes, making it possible to assemble the genome of extinct species, scientists say.

A piece of woolly mammoth skin excavated from permafrost has been found to contain fossilized chromosomes, making it possible to assemble the genome of extinct species, scientists say.

Each human cell contains 23 pairs of chromosomes that carry DNA within their nucleus. The X and Y chromosomes, commonly referred to as the sex chromosomes, are one such pair. They determine the ...