This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Ophthalmology
[{'content': 'Inheritance of colour blindness is - \nSelect and explain. \nA. Y linked, B. X linked recessive, C. Autosomal dominant, D. Autosomal recessive', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., X linked recessive * Colour blindness has X linked recessive inheritance.* Hence it has criss cross inheritance.* It passes from a carrier mother to her son.* Females are carriers in this disease.", 'role': 'assistant'}]