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: Pathology
[{'content': 'When a functional gene is inherited from one parent only, the condition is known as - \nSelect and explain. \nA. Genomic imprinting, B. Mosaicism, C. Alleles, D. Chimerism', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The expression of disease depending on whether the functional gene is inherited from the male or female parent (one parent only) is termed as genomic imprinting.', 'role': 'assistant'}]