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What is the function of histones in DNA ...

What is the function of histones in DNA packaging ?

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Hinstones `H_(2)A`, `H_(2)B`, `H_(3)` and `H_(4)` are responsible for formation of core over which DNA is wrapped. This leads to the formation of nucleosome. `H_(1)` type of histone helps in coiling of DNA string having nucleosome.
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