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
Hemophilia is associated with- 
Select and explain. 
A. X chromosome, B. Y chromosome, C. Chromosome 3, D. Chromosome 16
A: X chromosome
Answer: A: X chromosome 
Explanation: Ans. is 'a' i.e., X-chromosome o Hemophilia A is inherited as an X-linked recessive trait, and thus occurs in males and in homozygous females.