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What is chromatid and nucleosome?
Chromatids: The chromosome has two symmetrical structures which are called as chromatids. Each chromatid contains a single DNA molecule. At the anaphase of mitotic cell division, sister chromatids separate and migrate to opposite poles.
Nucleosomes: The nucleosomes are the basic unit of chromatin with a diameter of 10 nm. The DNA gets wound around histone proteins to form a nucleosome. Nucleosomes consist of 146 pair of DNA coiled around eight histone molecules.
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