Euchromatin is that part of chromatin network which

Options

A. looks condensed
B. is genetically inert
C. contains small amount of DNA
D. looks diffused

Answer

### Step-by-Step Solution:

1. **Understanding Chromatin**: Chromatin is a complex of DNA and proteins found in the nucleus of eukaryotic cells. It exists in two forms: euchromatin and heterochromatin.

2. **Defining Euchromatin**: Euchromatin is the less condensed form of chromatin. It is genetically active, meaning that it is involved in the transcription of genes.

3. **Characteristics of Euchromatin**:
- **Loosely Packed**: Euchromatin appears less dense and is loosely packed compared to heterochromatin.
- **Genetically Active**: It contains genes that are actively being expressed, hence it is referred to as genetically active.
- **Rich in DNA and RNA**: Euchromatin has a higher concentration of DNA and RNA, which are essential for gene expression.
- **Majority of the Genome**: It constitutes about 92% of the genome, while heterochromatin makes up the remaining 8%.

4. **Visual Appearance**: Under a microscope, euchromatin appears lightly stained due to its loose structure, while heterochromatin appears darkly stained because it is more condensed.

5. **Conclusion**: Based on the characteristics of euchromatin, it is evident that it looks diffused and is genetically active, contrasting with the condensed and genetically inert nature of heterochromatin.

### Final Answer:
Euchromatin is that part of the chromatin network which looks diffused and is genetically active.

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