How many centromeres per chromosome




















So it's always an important consideration for us to know where the centromere is. That's visually how we use it for some genetic tests, but it's also important that the centromere has a very important function during cell division. During cell division, this is the place where the chromosomes, when they're undergoing replication, that they're held together so that the chromosomes don't lose their sister chromatid during the cell division process. Julie A. Segre, Ph. Featured Content.

What is the lewis structure for co2? What is the lewis structure for hcn? How is vsepr used to classify molecules? What are the units used for the ideal gas law? How does Charle's law relate to breathing? What is the ideal gas law constant? How do you calculate the ideal gas law constant? What does a kinetochore do? A kinetochore is a protein structure that forms on a chromatid during cell division and allows it to attach to a spindle fiber on a chromosome. A chromatid is one of two strands that form when a chromosome replicates.

What are spindle fibers made of? Spindle fibers are protein structures that form early in mitosis, or cell division. They consist of microtubules that originate from the centrioles, two wheel-shaped bodies located in the centromere area of the cell.

The centromere is also known as the microtubule organizing center. Who discovered mitosis? A few years later, he discovered and described mitosis based on those observations. Is a centromere a protein? Cohesins are proteins that keep the chromatids stuck together. In this function, the centromere directs the formation of the kinetochore, which is a special protein structure that attaches to the microtubules in the mitotic spindle. On each chromatid, the kinetochore forms at the centromere region of the DNA.

What is Edward's syndrome? Edwards syndrome, also known as trisomy 18, is a genetic disorder caused by the presence of a third copy of all or part of chromosome Many parts of the body are affected. Babies are often born small and have heart defects. How many chromatids are in a duplicated chromosome? Why is chromosome 5 important?



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