Question

Regulation of gene activity is carried out by

• A. Nucleus
• B. Other genes
• C. Both A and B
• D. Special genes

Answer 1

The correct option is C Both A and B

Eukaryotic DNA is present in nucleus. Primary transcript synthesized in nucleus during transcription undergoes processing to produce a functional mRNA and is transported to cytoplasm where it serves as template for amino acid sequence of polypeptide, synthesized during protein synthesis/ translation. Thus, gene regulation in eukryotes can occur at transcriptional, post- transcriptional, translational, post- translational levels. First two events are controlled by nuclear genes and last two are governed by nuclear as well as other genes (cytoplasmic). Correct answer is C.