This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: DNB 2018, Subject name: Biochemistry
Which has more gene content X or Y? 
Select and explain. 
A. X contents 2.8% more than Y, B. Y contents 2.8% more than X, C. X contents 0.28% more than Y, D. Y contents 0.28% more than X
A: X contents 2.8% more than Y
Answer: A: X contents 2.8% more than Y 
Explanation: X chromosome is bigger in size so x has 2.8 % more content than Y.