Assertion (A): A man with O blood group married to a woman of blood group AB then child will never get an AB group. Reason (R): Blood group 0 gene is dominant over A, B or AB. In the above item consist of two statements, one labelled as 'Assertion (A)' and the other labelled as 'Reason (R)'. Select your answers to these items using the codes given below. Codes:

• A. Both A and R are true and R is the correct explanation of A
• B. Both A and R are true but R is not a correct explanation of A
• C. A is true but R is false
• D. A is false but R is true