Definitions/Explanation : Nucleosome & Euchromatin.

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5.Molecular Basis of Inheritance

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Definitions/Explanation : Nucleosome & Euchromatin.

Option A

Option B

Option C

Option D

Solution

The negatively charged $DNA$ is wrapped around the positively charged histone octamer to form a structure called nucleosome

In a typical nucleus, some region of chromatin are loosely packed (and stains light) and are referred to as euchromatin.

Standard 12

Biology

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