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In this diagram of a duplicated chromosome, (2) identifies the centromere—the region that joins the two sister chromatids, or each half of the chromosome. In prophase of mitosis, specialized regions on centromeres called kinetochores attach chromosomes to spindle fibers. The centromere links a pair of sister chromatids together during cell ...
If the chromosome is a submetacentric chromosome (One arm big and the other arm small) then the centromere divides each chromosome into two regions: the smaller one, which is the p region, and the bigger one, the q region. The sister chromatids will be distributed to each daughter cell at the end of the cell division.
The mother centriole, the older of the two in the centriole pair, also has a central role in making cilia and flagella. [10] The centrosome is copied only once per cell cycle, so that each daughter cell inherits one centrosome, containing two structures called centrioles. The centrosome replicates during the S phase of the cell cycle.
This is an accepted version of this page This is the latest accepted revision, reviewed on 12 January 2025. DNA molecule containing genetic material of a cell This article is about the DNA molecule. For the genetic algorithm, see Chromosome (genetic algorithm). Chromosome (10 7 - 10 10 bp) DNA Gene (10 3 - 10 6 bp) Function A chromosome and its packaged long strand of DNA unraveled. The DNA's ...
During cell division, the identical copies (called a "sister chromatid pair") are joined at the region called the centromere (2). Once the paired sister chromatids have separated from one another (in the anaphase of mitosis) each is known as a daughter chromosome. The short arm of the right chromatid (3), and the long arm of the right chromatid ...
Duplicated chromosome. (2) identifies the Monocentric centromere—the region that joins the two sister chromatids, or each half of the chromosome.In prophase of mitosis, specialized regions on centromeres called kinetochores attach chromosomes to spindle fibers.
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People normally have two copies of this chromosome. Chromosome 6 spans nearly 171 million base pairs (the building material of DNA ) and represents between 5.5 and 6% of the total DNA in cells . It contains the major histocompatibility complex , which contains over 100 genes related to the immune response , and plays a vital role in organ ...