Question

Heterochromatin region is

• A. Lightly coloured region
• B. Genetically more active
• C. Loosely coiled region
• D. Genetically less active

Answer 1

The correct option is D Genetically less active

Heterochromatin

Heterochromatin is the darkly stained and highly condensed region of chromatin fibre and is present only at certain places in the chromatin structure. It is the transcriptionally inactive, i.e, genetically less active chromatin as it cannot be transcribed to form a mRNA.
Final answer
b. Genetically less active