In human cells, there are about 20,000 genes on a two-meter DNA strand—finely coiled up in a nucleus about 10 micrometers in ...

Mitochondria act as energy factories in cells and have their own, separate DNA. Mutations to mitochondrial DNA (mtDNA) have ...

You likely know that you get half of your DNA from your mother and the other half from your father. It is this type of basic ...

When cells are healthy, we don't expect them to suddenly change cell types. A skin cell on your hand won't naturally morph ...

Researchers have uncovered a previously unknown mechanism that safeguards the chromosome ends from being mistakenly repaired ...