This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of nucleic acids, Subject name: Biochemistry
[{'content': 'Selective suppression of a functional gene by a functional allele is called \nSelect and explain. \nA. Trans gene, B. Pseudogene, C. Ins eion, D. Knockout', 'role': 'user'}, {'content': 'Answer: D \nExplanation: This term refers to the ability of a cell to prevent the expression of a ceain geneGene silencing/knock out can occur during either transcription or translation', 'role': 'assistant'}]