The sister chromatids (arms) are held together by centromeres. Centromeres are the site of attachment for the spindle fibers.
The structure that joins chromosome arms together is called the centromere. The centromere is essential for proper chromosome segregation during cell division and is the point where spindle fibers attach to the chromosome to facilitate this process.
The Centrosome. It forms Centrioles which form spindle fibers. Some of the spindle fibers attach to the Kinetochore located on the Centromere of chromosomes. The spindle fibers work in conjunction with motor proteins to facilitate disjunction.
The phase where each chromosome is connected to a spindle fiber is called metaphase. During metaphase, the chromosomes align at the metaphase plate at the center of the cell, and each chromosome is attached to spindle fibers emanating from opposite poles of the cell.
Spindle fibers.
Spindle fibers attach to structures called kinetochores, which are located at the centromere of each chromosome. Kinetochores play a key role in chromosome movement by interacting with the spindle fibers and helping to pull the paired chromosomes apart during cell division.
The structure that joins chromosome arms together is called the centromere. The centromere is essential for proper chromosome segregation during cell division and is the point where spindle fibers attach to the chromosome to facilitate this process.
Chromosomes attach to spindle fibers during metaphase of mitosis. This is when the chromosomes align at the cell's equator, forming a metaphase plate. The spindle fibers attach to the centromere region of the chromosomes.
Spindle fibers
These are called kinetochore fibers. They are microtubules that attach to the kinetochore, a protein structure on the centromere of the chromosome, helping to move the chromosomes during cell division.
During metaphase, the centromeres of chromosomes attach to spindle fibers (microtubules) that extend from opposite poles of the cell. This attachment helps properly align the chromosomes along the metaphase plate in the center of the cell before they are separated in anaphase.
Spindle fibers attach to chromosomes by binding to specific protein structures called kinetochores located on the centromere of each chromosome. The spindle fibers then exert tension on the chromosomes, aligning them along the cell's equator during cell division.
Visible in prophase and attach to spindle fibers in meta phase
Just after the nuclear membrane dissolves and once the chromosomes have cloned themselves to form two chromatids connected by a centomere. The spindle fibers then attach to each chromosome.
I am at least 70% sure that they attach to the centriole which binds the chromosome together.Centrioles do not have much to do with chromosomes. Centrioles are found just floating in the cytoplasm, while chromosomes are in the nucleus. Chromatins, strands the chromosomes are make up of, are connected by the centromere. Therefore the spindle fibers probably attach to chromosomes in the nucleus, though I, as well, am not entirely sure.
The chromosomes are attached at their centromeres, which in turn attach to spindle fibers when being pulled apart during mitosis.
The Centrosome. It forms Centrioles which form spindle fibers. Some of the spindle fibers attach to the Kinetochore located on the Centromere of chromosomes. The spindle fibers work in conjunction with motor proteins to facilitate disjunction.
The stage of mitosis when spindle fibers attach to the centromeres of sister chromatids is called metaphase.