The somatic cells of a particular male organism contain only one pair of homologous chromosomes, call these chromosomes A1A2 , and one additional chromosome without a homolog, call it chromosome Q. What chromosomal combination would be likely in the four meiotic products of a single cell?

A. A1Q, A1Q, A2 , A2

B. A2Q, A1Q, A1 , A2

C. A1Q, A1Q, A2Q, A2Q

D. A1Q, A1Q, A1Q, A1Q

E. A2Q, A2Q, A2Q, A2Q

I know that the answer is A, but why? I thought that it would be B. Why can't the Q chromosome be paired with the A2 chromosome.