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During cell division, chromosomes line up in the middle of the cell through a process called metaphase. This is facilitated by the spindle fibers, which attach to the centromere of each chromosome. The spindle fibers help to ensure proper separation of genetic material by exerting tension and pulling the chromosomes apart towards opposite ends of the cell during anaphase.
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What is sister chromatids held together by?
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
What is the structure at the center of the chromosomes where sister chromatids are attached?
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.
Why is it necessary for DNA to condense into chromosomes during cell cycle division?
During cell cycle division, DNA condenses into chromosomes to ensure that the genetic material is organized and can be accurately distributed to daughter cells. This condensation helps prevent tangling and breakage of DNA strands, and facilitates the separation of genetic material during cell division.
Is nucleus divides twice during meiosis?
yeap yeap, it divides twice. (: the first one is the 'separation of the homologuous chromosomes' (note that the crossing over of genetic material have already taken place). the second division is the separation of the chromatids AT the centromere. (: this will then give rise to genetic variation. :D
What is the area in the center of the chromosome which holds the two sides together?
The area in the center of a chromosome that holds the two sides together is called the centromere. The centromere is responsible for ensuring that the duplicated chromosomes are divided evenly during cell division. Its function is crucial for the accurate segregation of genetic material.
How many centromere is in chromosome?
Chromosomes typically have one centromere, which is a specialized region that holds the sister chromatids together during cell division. The centromere plays a crucial role in ensuring proper segregation of genetic material.
What is sister chromatids held together by?
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
In which phase do the chromosomes coil and become short and thick?
Prophase is inside the nucleus the chromosomes get short and thick and as they coil up become visible as pairs attached by the centromere. The centromere is joined to special proteins to from the kinetochore.
What is the area of a chromosome pair that attatches to a fiber stretching across the cell during cell division?
The area of a chromosome pair that attaches to a fiber stretching across the cell during cell division is called the centromere. The centromere plays a crucial role in ensuring equal distribution of genetic material to daughter cells during cell division, as it serves as the attachment point for spindle fibers that assist in separating the chromosomes.
What is the structure at the center of the chromosomes where sister chromatids are attached?
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.
Why is it necessary for DNA to condense into chromosomes during cell cycle division?
During cell cycle division, DNA condenses into chromosomes to ensure that the genetic material is organized and can be accurately distributed to daughter cells. This condensation helps prevent tangling and breakage of DNA strands, and facilitates the separation of genetic material during cell division.
Is nucleus divides twice during meiosis?
yeap yeap, it divides twice. (: the first one is the 'separation of the homologuous chromosomes' (note that the crossing over of genetic material have already taken place). the second division is the separation of the chromatids AT the centromere. (: this will then give rise to genetic variation. :D
What phase do chromasomes condense?
Chromosomes condense during the prophase stage of cell division, specifically during mitosis and meiosis. Condensation allows for more efficient movement and separation of genetic material during cell division.
What is the area in the center of the chromosome which holds the two sides together?
The area in the center of a chromosome that holds the two sides together is called the centromere. The centromere is responsible for ensuring that the duplicated chromosomes are divided evenly during cell division. Its function is crucial for the accurate segregation of genetic material.
What is the function of centromere?
The centromere is a region of a chromosome that helps in the process of cell division. It plays a crucial role in ensuring that each daughter cell receives the correct amount of genetic material. The centromere also serves as the attachment point for spindle fibers during mitosis and meiosis.
What are holocentric chromosomes?
Holocentric chromosomes are chromosomes where the centromere extends along the entire length of the chromosome instead of being localized to a single point. This distribution allows for more equal distribution of genetic material during cell division. Organisms with holocentric chromosomes include certain plants, invertebrates, and nematodes.
What will happen to chromosomes that has two centromere?
centromere is place at which spindle fibers are attached if the centromere is lost then chromosome will lose its point for the attachement of the spindle fiber and then will not be able to take part in mitosis. chromosome is usually lost in this case.
