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Question

Lightly stained region of chromatin during interphase is

A
Genetically inactive
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B
Highly condensed region
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C
Rich in loosely packed DNA
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D
Rich in tightly packed DNA.
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Solution

The correct option is D Rich in loosely packed DNA
Answer is option C i.e. "Rich in loosely packed DNA"
Euchromatin is an uncoiled (loosely) packed form of chromatin (DNA or RNA)and are genetically active that is enriched in genes. Nucleus of non-dividing cells when observed under the light microscope, show two regions on the basis of concentration or intensity of staining. The dark stained areas are said as hetero-chromatin and light stained areas are said as euchromatin.

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