Therefore, chromatin is further coiled into an even ... the DNA becomes highly compacted into the classic metaphase chromosomes that can be seen with a light microscope. Once a cell has divided ...

During interphase, individual chromosomes are not visible, and the chromatin appears diffuse and unorganized. Recent research suggests, however, that this is an oversimplification and that ...

“This is the first study using this model of replicative senescence to define those higher-order three-dimensional chromatin changes,” said epigeneticist Peter Adams of the Cancer Research UK Beatson ...

Thus, in the reconstruction of the four daughter nuclei, two of them contain more chromatin than the other two. The resulting pollen grains, however, look alike. 14. In the somatic mitosis there are ...

Chromosomes also play a role in regulating gene expression. The structure and packaging of chromatin can influence which genes are active or silenced in a particular cell type or developmental stage.

Artificial chromosomes are essentially miniature versions of real ... [encodes] a whole cascade of enzymes involved in a particular pathway,” says chromatin researcher Gary Karpen of Lawrence Berkeley ...

An article by UAB professor Joan-Ramon Daban analyzes in depth the physical problems associated with DNA packaging that have ...