question_answer

The offspring produced from a marriage have only 0 or A blood groups. Of the genotypes given below, the possible genotypes of the parents would be

A)  \[{{|}^{A}}{{|}^{A}}\]and \[{{|}^{A}}{{|}^{O}}\]

B)  \[{{|}^{O}}{{|}^{O}}\]and \[{{|}^{O}}{{|}^{O}}\]

C)  \[{{|}^{A}}{{|}^{A}}\]and \[{{|}^{O}}{{|}^{O}}\]

D)  \[{{|}^{A}}{{|}^{O}}\]and \[{{|}^{O}}{{|}^{O}}\]

Correct Answer: D

Solution :