If two genes, A and B, are linked, and no crossing over occurs, a hybrid cell genotype AaBb will produce what gametes?
A. only parental type
B. parental and non-parental (recombinant) in equal amounts
C. only non-parental gametes
D. parental and non-parental, parental in excess
E. parental and non-parental, non-parental in excess