Problem:
In parrots, annoying voices (A) are dominant to pleasant ones
(a) and brightly colored feathers (B) are dominant to gray ones
(b) You testcross a dihybrid annoying, brightly colored parrot and get 2 annoying, gray birds, 27 annoying bright birds, 3 pleasant bright birds, and 25 pleasant gray birds.
Required:
Question: What is the distance between the two genes?
Could someone explain this to me?