In 1896, in his seminal work “The Cell in Development and Inheritance”, the cell biologist Edmund B. Wilson formulated a ...

Chromosomes are cellular structures that contain the genetic material. A chromosome is comprised of a single DNA molecule that may be either circular or linear. The full complement of a cell s ...

The term "alert and oriented" (AO) is a medical notation describing a person's level of consciousness and cognition (the ability to understand and learn through thought, experiences, and the senses).

Science DNA breaks are toxic lesions for the cell. In order to repair these breaks, it is necessary, starting from the break ends, to find a homologous sequence within the vastness of the genome. In ...

Department of Pharmacology and Pharmaceutical Sciences, Alfred E. Mann School of Pharmacy and Pharmaceutical Sciences, University of Southern California, Los Angeles, California 90089, United States ...

Klinefelter syndrome is a genetic condition in which a boy is born with an extra X chromosome. Instead of the typical XY chromosomes in men, they have XXY, so this condition is also called XXY ...

Chromatid aberrations in peripheral leukocytes ... Moreover, although it is not known in what stage the chromosomes of reticuloendothelial-tissue stem cells or precursors of peripheral leukocytes ...

After a week of build-up, The Beatles have released what's been billed as their "final song". Called Now And Then, it's been 45 years in the making - with the first bars written by John Lennon in ...

DNA replication transforms cohesin rings dynamically associated with chromatin into the cohesive form to establish sister-chromatid cohesion. Here, we show that, in human cells, cohesin loading onto ...