There are hundreds of cell types in the human body, each with a specific role spelled out in their DNA. In theory, all it ...

All the cells in an organism have the exact same genetic sequence. What differs across cell types is their epigenetics-meticulously placed chemical tags that influence which genes are expressed in ...

Epigenetics is a rapidly growing field of study that focuses on the heritable changes in gene expression that occur without alterations to the underlying DNA sequence. These changes are caused by ...

How do you define biosecurity in the context of DNA? Peccoud: An internet search for biosecurity will return stories about security measures aimed at preventing pests or infectious agents from ...