This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
[{'content': 'Prader willi syndrome and Angel man syndrome are examples of \nSelect and explain. \nA. RNA interferance, B. Genomic Imprinting, C. Gene Knockout, D. Impaired DNA repair', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Genomic imprinting is a proces of epigenetic modification of nucleotides in which only one allele of specific gene is functioning, while the other allele is silenced based on the parent of origin.', 'role': 'assistant'}]