Human sex chromosomes originated from a pair of autosomes, the ordinary or non-sex chromosomes that contain the majority of our genome and come in identical pairs. That ancestral pair of autosomes ...

DNA can also be demethylated, either through passive or active processes. Passive DNA demethylation occurs when the methylation pattern is not replenished during DNA replication and gradually ...

Despite spanning about three billion base pairs, the human genome is wrapped up tight in a highly organized fashion in the nucleus. This coordinated structure, in part, enables the cell to regulate ...

The two main approaches for discovering disease genes reveal distinct aspects of biology, a new study shows. While both methods are widely used, the research found that they identify different genes, ...

Results from a new study suggest that whether certain genes are expressed – turned on or off – may play a role in susceptibility to post-traumatic stress disorder (PTSD). The study, which was ...