The wide variety of congenital anomalies often accompanying constitutional aplastic anemia has led to its recognition as a distinctive syndrome. Congenital malformations have been the outstanding ...

seeking out attachment sites at chromosome kinetochores, which are complex platelike structures that assemble during prometaphase on one face of each sister chromatid at its centromere.

During cell division, a cell must faithfully duplicate its chromosomes and distribute them equally to both daughter cells. These processes, including the establishment and destruction of sister ...

Each replicated chromosome is made up of two identical strands called chromatids that are joined together. Each chromatid is a full length DNA molecule. The stages outlined in the following ...

Each chromosome is, at this time, actually two identical copies. Each copy is called a chromatid. A spindle begins to form from the centrioles. This spindle is made of fibers. The centrioles begin ...

A chromatid is one-half of a duplicated chromosome. United pairs of chromosomes have identifiable shapes because centromeres ...