Genetic risk in mental illness is not equal, with some disorders highly distinct and others sharing broad inherited vulnerability.

Rare Chromosome Awareness Day, celebrated in June, is an opportunity to increase public knowledge about rare chromosome and gene disorders. These conditions can lead to various physical, developmental ...

“I was looking at individuals with birth defects, intellectual impairment and things like that,” said Dr. Katy Phelan. Genetic disorders are caused by an abnormality or mutation in one or more genes.

Scientists investigate human telomere length to elucidate aging and diseases such as cancer and neurodegenerative disorders. In normal mammalian cells, a small telomeric DNA segment is lost after each ...

Aging men often lose the Y chromosome in a growing number of their cells—and it may be far more dangerous than once believed.

Height is one of the most evident sex-based differences observed in humans, as men are on an average 13 cm (5 inches) taller than women. Sex hormones certainly play a significant role in driving this ...

According to the UN data, the estimated incidence of Down syndrome is between 1 in 1,000 -- 1 in 1,100 live births worldwide.

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 ...