This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Genetics, Subject name: Pathology
If parents are carrier for an autosomal recessive disorder. What are the chances of offspring to get affected- 
Select and explain. 
A. 1:01, B. 1:02, C. 1:03, D. 1:04
D: 1:04
Answer: D: 1:04 
Explanation: Ans. (d) 1:4(Ref: Robbins 9th/pg 141; 8th/pg 141)Therefore, if parents are carriers for an autosomal recessive disorder, the chances of offspring to get affected is 1:4 or 25%