They are held together, or conjoined, at their centromeres. These quite small regions of the chromosome pairs contain a specific set or 'mix' of nucleotides that are most Happy when being 'confined' in close-quarters.
Chromatin is another matter.
Sister chromatids are held together at a region of highly condensed DNA called the centromere. The centromere region is very important during the process of cell division where chromosomes have to segregate into daughter cells. In addition, chromosomes are classified into different groups based on the position of the centromere
During prophase, a chromosome is composed of tightly coiled DNA and protein molecules. Each chromosome exists as a pair of identical sister chromatids which are held together at the centromere.
The structure at the center of the chromosomes where sister chromatids are attached is called the centromere. It serves as a point of attachment for the spindle fibers during cell division and helps in the proper segregation of genetic material to daughter cells.
The chromatids are the identical halves of a duplicated chromosome that are held together by a centromere. During the prophase stage of mitosis, the chromatids condense and become visible as distinct structures. These chromatids will eventually separate during anaphase and move to opposite poles of the cell.
This structure is called a chromosome. Chromosomes contain the genetic material of a cell and are replicated before cell division to ensure that each daughter cell receives a complete set of chromosomes. The two chromatids are identical copies of the same DNA molecule.
A centromere.
Centromere
The sister chromatids are held together by the centromeres. Each chromosome is made up of two sister chromatids.
Chromatids or tetrads
Chromatids are held together at the center by a structure called the centromere. This region contains specific DNA sequences to which proteins bind to physically connect the two sister chromatids. The centromere plays a critical role in ensuring accurate segregation of chromatids during cell division.
Sister chromatids are held together at a region of highly condensed DNA called the centromere. The centromere region is very important during the process of cell division where chromosomes have to segregate into daughter cells. In addition, chromosomes are classified into different groups based on the position of the centromere
The point along the length of homologous chromatids where they remain held together to form a chromosome.
Sister chromatids in a chromosome are attached by a structure called the centromere. The centromere is a region where the two sister chromatids are held together until they separate during cell division.
During prophase, a chromosome is composed of tightly coiled DNA and protein molecules. Each chromosome exists as a pair of identical sister chromatids which are held together at the centromere.
Sister chromatids are held together by a protein complex called cohesin, which forms a ring-like structure around the two chromatids. Cohesin binds to specific DNA sequences on the chromatids and helps in ensuring that they are properly aligned and segregated during cell division.
The structure at the center of the chromosomes where sister chromatids are attached is called the centromere. It serves as a point of attachment for the spindle fibers during cell division and helps in the proper segregation of genetic material to daughter cells.
At the beginning of meiosis, copies of chromosomes linked together at their centromeres are called sister chromatids. These sister chromatids are duplicated copies of a single chromosome and are held together by proteins called cohesins.