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
Prader willi syndrome and Angel man syndrome are examples of 
Select and explain. 
A. RNA interferance, B. Genomic Imprinting, C. Gene Knockout, D. Impaired DNA repair
B: Genomic Imprinting
Answer: B: Genomic Imprinting 
Explanation: 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.