What is the correct genotypic ratio from a cross between Aa and aa...? Mcqs

What is the correct genotypic ratio from a cross between Aa and aa...?

(A) 1/2 AA & 1/2 aa

(B) 1/2 Aa & 1/2 aa

(C) 3/4 Aa & 1/4 aa

(D) 1/4 AA 1/2 Aa & 1/4 aa