It is a genetic condition caused when an unusual cell division result in an extra full or even partial copy of chromosome 21.

The ends of chromosomes, called telomeres, typically shorten as an organism ages. But when some fat-tail dwarf lemurs ...

Cancer researchers at Children's Medical Research Institute have discovered an "unexpected mechanism" that our cells use to ...

A study led by bioengineers at the University of California San Diego sheds new light on how a type of heart valve disease, ...

Australian researchers have identified a surprising mechanism focusing on telomeres -- protective caps at the ends of ...

While Emma has Down syndrome — specifically a rare type called Mosaic Down syndrome — some people don’t believe it. “At the ...

A chromosome is comprised of a single DNA molecule that may be either circular or linear. The full complement of a cell s chromosomes is called the genome. Chromosome pairing and synapsis must be ...

For the first time, scientists have systematically analyzed somatic mutations in stomach lining tissue to unpick mutational ...

The study found that gastric cells in some individuals carried three copies of certain chromosomes, hinting toward exposure ...

Ten years ago, nobody knew that Asgard archaea even existed. In 2015, however, researchers examining deep-sea sediments ...

With age, telomeres -- protective caps at the ends of chromosomes -- naturally shorten, signaling ageing cells to stop dividing -- a safeguard against cancer ...