in a cross of A B/a b x a B/a b, where the distance between these two linked genes is 20 cM, the frequencies of progeny with the phenotypes Ab and ab, respectively, would be: (Assume that there are no double crossovers.) Group of answer choices 0.20 and 0.40 0.16 and 0.04 0.40 and 0.10 0.10 and 0.40 0.05 and 0.20